160-651: Travis Calvin Jackson (November 2, 1903 – July 27, 1987) was an American baseball shortstop . In Major League Baseball (MLB), Jackson played for the New York Giants from 1922 through 1936, winning the 1933 World Series , and representing the Giants in the MLB All-Star Game in 1934. After his retirement as a player, Jackson managed in minor league baseball through to the 1960 season . Jackson
320-425: A sacrifice fly . In order to increase the chance of advancing a batter to first base via a walk, the manager will sometimes signal a batter who is ahead in the count (i.e., has more balls than strikes) to take , or not swing at, the next pitch. The batter's potential reward of reaching base (via a walk) exceeds the disadvantage if the next pitch is a strike. The evolution of baseball from older bat-and-ball games
480-405: A third baseman to the right of third base. The basic outfield positions are left fielder , center fielder , and right fielder . With the exception of the catcher, all fielders are required to be in fair territory when the pitch is delivered. A neutral umpire sets up behind the catcher. Other umpires will be distributed around the field as well. Play starts with a member of the batting team,
640-577: A .291 batting average. Jackson signed a three-year contract with the Jersey City Giants of the Class-AA International League after the 1936 season. The team, which the Giants had purchased to become their farm team that offseason, was moved from Albany, New York , with Jackson to serve as player-manager . Jackson's knees prevented him from appearing in many games with Jersey City as a player, but he remained as
800-521: A 2019 Cochrane review found that sensitivity and specificity of CT for the diagnosis of acute appendicitis in adults was high. Concerns about radiation tend to limit use of CT in pregnant women and in children, especially with the increasingly widespread usage of MRI. The accurate diagnosis of appendicitis is multi-tiered, with the size of the appendix having the strongest positive predictive value , while indirect features can either increase or decrease sensitivity and specificity. A size of over 6 mm
960-447: A ball that results in the team's third out, even if it is recorded against a teammate. On rare occasions, a batter may be at the plate when, without the batter's hitting the ball, a third out is recorded against a teammate—for instance, a runner getting caught stealing (tagged out attempting to steal a base). A batter with this sort of incomplete plate appearance starts off the team's next turn batting; any balls or strikes recorded against
1120-402: A base that a teammate is forced to advance to. If a ball hit into play rolls foul before passing through the infield, it becomes dead and any runners must return to the base they occupied when the play began. If the ball is hit in the air and caught before it lands, the batter has flied out and any runners on base may attempt to advance only if they tag up (contact the base they occupied when
1280-424: A century, laparotomy (open appendectomy) was the standard treatment for acute appendicitis. This procedure consists of the removal of the infected appendix through a single large incision in the lower right area of the abdomen. The incision in a laparotomy is usually 2 to 3 inches (51 to 76 mm) long. During an open appendectomy, the person with suspected appendicitis is placed under general anesthesia to keep
1440-445: A few weeks if complications occur. The recovery process may vary depending on the severity of the condition: if the appendix had ruptured or not before surgery. Appendix surgery recovery is generally much faster if the appendix did not rupture. It is important that people undergoing surgery respect their doctor's advice and limit their physical activity so the tissues can heal. Recovery after an appendectomy may not require diet changes or
1600-525: A following in much of the world was a factor, more important was MLB's reluctance to allow its players to participate during the major league season. MLB initiated the World Baseball Classic , scheduled to precede its season, partly as a replacement, high-profile international tournament. The inaugural Classic , held in March 2006, was the first tournament involving national teams to feature
1760-416: A football or soccer field does not affect play the way foul territory in baseball does, so variations in that regard are largely insignificant. These physical variations create a distinctive set of playing conditions at each ballpark. Other local factors, such as altitude and climate, can also significantly affect play. A given stadium may acquire a reputation as a pitcher's park or a hitter's park, if one or
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#17327734143851920-435: A game, involves an individual, one-on-one contest: "the pitcher and the batter in a battle of wits". Pitcher, batter, and fielder all act essentially independent of each other. While coaching staffs can signal pitcher or batter to pursue certain tactics, the execution of the play itself is a series of solitary acts. If the batter hits a line drive, the outfielder is solely responsible for deciding to try to catch it or play it on
2080-487: A home run at another. A team that plays in a park with a relatively short right field, such as the New York Yankees , will tend to stock its roster with left-handed pull hitters , who can best exploit it. On the individual level, a player who spends most of his career with a team that plays in a hitter's park will gain an advantage in batting statistics over time—even more so if his talents are especially suited to
2240-495: A lead , the pitcher may attempt a pickoff , a quick throw to a fielder covering the base to keep the runner's lead in check or, optimally, effect a tag out. Pickoff attempts, however, are subject to rules that severely restrict the pitcher's movements before and during the pickoff attempt. Violation of any one of these rules could result in the umpire calling a balk against the pitcher, which permits any runners on base to advance one base with impunity. If an attempted stolen base
2400-478: A new rule officially banning the spitball and other pitches that depended on the ball being treated or roughed-up with foreign substances, resulted in a ball that traveled farther when hit. The rise of the legendary player Babe Ruth , the first great power hitter of the new era, helped permanently alter the nature of the game. In the late 1920s and early 1930s, St. Louis Cardinals general manager Branch Rickey invested in several minor league clubs and developed
2560-699: A number of competitions between clubs from different countries. Other competitions between national teams, such as the Baseball World Cup and the Olympic baseball tournament , were administered by the International Baseball Federation (IBAF) from its formation in 1938 until its 2013 merger with the International Softball Federation to create the current joint governing body for both sports,
2720-408: A park with little space between the foul lines and the stands, but a foulout in a park with more expansive foul ground. A fence in foul territory that is close to the outfield line will tend to direct balls that strike it back toward the fielders, while one that is farther away may actually prompt more collisions, as outfielders run full speed to field balls deep in the corner. These variations can make
2880-544: A permanent fixture of the post-season. Regular-season interleague play was introduced in 1997 and the second-highest attendance mark for a full season was set. In 2000, the National and American Leagues were dissolved as legal entities. While their identities were maintained for scheduling purposes (and the designated hitter distinction), the regulations and other functions—such as player discipline and umpire supervision—they had administered separately were consolidated under
3040-427: A pitcher's park when the strong winds off Lake Michigan are blowing in, it becomes more of a hitter's park when they are blowing out. The absence of a standardized field affects not only how particular games play out, but the nature of team rosters and players' statistical records. For example, hitting a fly ball 330 feet (100 m) into right field might result in an easy catch on the warning track at one park, and
3200-411: A player has been removed for a substitute, that player may not reenter the game. Children's games often have more lenient rules, such as Little League rules, which allow players to be substituted back into the same game. If the designated hitter (DH) rule is in effect, each team has a tenth player whose sole responsibility is to bat (and run). The DH takes the place of another player—almost invariably
3360-434: A player on the fielding team , called the pitcher , throws a ball that a player on the batting team , called the batter , tries to hit with a bat . The objective of the offensive team (batting team) is to hit the ball into the field of play, away from the other team's players, allowing its players to run the bases , having them advance counter-clockwise around four bases to score what are called " runs ". The objective of
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#17327734143853520-422: A shorter post-operative recovery, less post-operative pain, and lower superficial surgical site infection rate. However, the occurrence of an intra-abdominal abscess is almost three times more prevalent in laparoscopic appendectomy than open appendectomy. In pediatric patients, the high mobility of the cecum allows externalization of the appendix through the umbilicus, and the entire procedure can be performed with
3680-441: A significant effect on how ground balls behave and are fielded as well as on baserunning. Similarly, the presence of a roof (seven major league teams play in stadiums with permanent or retractable roofs) can greatly affect how fly balls are played. While football and soccer players deal with similar variations of field surface and stadium covering, the size and shape of their fields are much more standardized. The area out-of-bounds on
3840-629: A significant number of MLB participants. The Baseball World Cup was discontinued after its 2011 edition in favor of an expanded World Baseball Classic. Baseball has certain attributes that set it apart from the other popular team sports in the countries where it has a following. All of these sports use a clock, play is less individual, and the variation between playing fields is not as substantial or important. The comparison between cricket and baseball demonstrates that many of baseball's distinctive elements are shared in various ways with its cousin sports. In clock-limited sports, games often end with
4000-535: A single incision. Laparoscopic-assisted transumbilical appendectomy is a relatively recent technique but with long published series and very good surgical and aesthetic results. The treatment begins by keeping the person who will be having surgery from eating or drinking for a given period, usually overnight. An intravenous drip is used to hydrate the person who will be having surgery. Antibiotics given intravenously such as cefuroxime and metronidazole may be administered early to help kill bacteria and thus reduce
4160-409: A skillful contact hitter , the runner takes off with the pitch, drawing the shortstop or second baseman over to second base, creating a gap in the infield for the batter to poke the ball through. The sacrifice bunt , calls for the batter to focus on making soft contact with the ball, so that it rolls a short distance into the infield, allowing the runner to advance into scoring position as the batter
4320-422: A team that holds the lead killing the clock rather than competing aggressively against the opposing team. In contrast, baseball has no clock, thus a team cannot win without getting the last batter out and rallies are not constrained by time. At almost any turn in any baseball game, the most advantageous strategy is some form of aggressive strategy. Whereas, in the case of multi-day Test and first-class cricket ,
4480-413: Is a home run : the batter and any runners on base may all freely circle the bases, each scoring a run. This is the most desirable result for the batter. The ultimate and most desirable result possible for a batter would be to hit a home run while all three bases are occupied or "loaded", thus scoring four runs on a single hit. This is called a grand slam . A player who reaches base due to a fielding mistake
4640-402: Is anticipated, the catcher may call for a pitchout , a ball thrown deliberately off the plate, allowing the catcher to catch it while standing and throw quickly to a base. Facing a batter with a strong tendency to hit to one side of the field, the fielding team may employ a shift , with most or all of the fielders moving to the left or right of their usual positions. With a runner on third base,
4800-441: Is awarded a base on balls or walk, a free advance to first base. (A batter may also freely advance to first base if the batter's body or uniform is struck by a pitch outside the strike zone, provided the batter does not swing and attempts to avoid being hit.) Crucial to determining balls and strikes is the umpire's judgment as to whether a pitch has passed through the strike zone , a conceptual area above home plate extending from
4960-474: Is both 95% sensitive and specific for appendicitis. However, because the appendix can be filled with fecal material, causing intraluminal distention, this criterion has shown limited utility in more recent meta-analyses. This is as opposed to ultrasound, in which the wall of the appendix can be more easily distinguished from intraluminal feces. In such scenarios, ancillary features such as increased wall enhancement as compared to adjacent bowel and inflammation of
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5120-414: Is called. While the team at bat is trying to score runs, the team in the field is attempting to record outs. In addition to the strikeout and flyout, common ways a member of the batting team may be put out include the ground out , force out , and tag out . These occur either when a runner is forced to advance to a base, and a fielder with possession of the ball reaches that base before the runner does, or
5280-772: Is determined by playoffs that culminate in the World Series . The top level of play is similarly split in Japan between the Central and Pacific Leagues and in Cuba between the West League and East League . The World Baseball Classic , organized by the World Baseball Softball Confederation , is the major international competition of the sport and attracts the top national teams from around
5440-570: Is difficult to trace with precision. Consensus once held that today's baseball is a North American development from the older game rounders , popular among children in Great Britain and Ireland . American baseball historian David Block suggests that the game originated in England ; recently uncovered historical evidence supports this position. Block argues that rounders and early baseball were actually regional variants of each other, and that
5600-429: Is higher in developed than in developing countries. In addition an appendiceal fecalith is commonly associated with complicated appendicitis. Fecal stasis and arrest may play a role, as demonstrated by people with acute appendicitis having fewer bowel movements per week compared with healthy controls. The occurrence of a fecalith in the appendix was thought to be attributed to a right-sided fecal retention reservoir in
5760-405: Is largely based on the person's signs and symptoms. In cases where the diagnosis is unclear, close observation, medical imaging , and laboratory tests can be helpful. The two most commonly used imaging tests for diagnosing appendicitis are ultrasound and computed tomography (CT scan). CT scan is more accurate than ultrasound in detecting acute appendicitis. However, ultrasound may be preferred as
5920-520: Is made by inserting a special surgical tool called a laparoscope into one of the incisions. The laparoscope is connected to a monitor outside the person's body, and it is designed to help the surgeon to inspect the infected area in the abdomen. The other two incisions are made for the specific removal of the appendix by using surgical instruments . Laparoscopic surgery requires general anesthesia , and it can last up to two hours. Laparoscopic appendectomy has several advantages over open appendectomy, including
6080-507: Is no laboratory test specific for appendicitis, a complete blood count (CBC) is done to check for signs of infection or inflammation. Although 70–90 percent of people with appendicitis may have an elevated white blood cell (WBC) count , there are many other abdominal and pelvic conditions that can cause the WBC count to be elevated. However, a high WBC count may not alone represent a solid indicator of appendicitis but rather an inflammation but
6240-422: Is not credited with a hit—instead, the responsible fielder is charged with an error . Any runners already on base may attempt to advance on batted balls that land, or contact the ground, in fair territory, before or after the ball lands. A runner on first base must attempt to advance if a ball lands in play, as only one runner may occupy a base at any given time; the same applies for other runners if they are on
6400-625: Is of value for identifying unsuspected pathologies requiring further postoperative management. Notably, appendix cancer is found incidentally in about 1% of appendectomy specimens. Pathology diagnosis of appendicitis can be made by detecting a neutrophilic infiltrate of the muscularis propria . Periappendicitis (inflammation of tissues around the appendix) is often found in conjunction with other abdominal pathology. Children: Gastroenteritis , mesenteric adenitis , Meckel's diverticulitis , intussusception , Henoch–Schönlein purpura , lobar pneumonia , urinary tract infection (abdominal pain in
6560-413: Is only about 3% but if the appendix has ruptured, the complication rate rises to almost 59%. The most usual complications that can occur are pneumonia, hernia of the incision, thrombophlebitis , bleeding and adhesions . Evidence indicates that a delay in obtaining surgery after admission results in no measurable difference in outcomes to the person with appendicitis. The surgeon will explain how long
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6720-408: Is possible the pain could localize to the left lower quadrant in people with situs inversus totalis . The combination of migrated umbilical pain to the right lower quadrant , loss of appetite for food, nausea, unsustained vomiting , and mild fever is classic. Atypical histories lack this typical progression and may include pain in the right lower quadrant as an initial symptom. Irritation of
6880-401: Is primarily caused by a blockage of the hollow portion in the appendix. This blockage typically results from a faecolith , a calcified "stone" made of feces. Some studies show a correlation between appendicoliths and disease severity. Other factors such as inflamed lymphoid tissue from a viral infection, intestinal parasites , gallstone , or tumors may also lead to this blockage. When
7040-474: Is thrown out at first. A batter, particularly one who is a fast runner, may also attempt to bunt for a hit. A sacrifice bunt employed with a runner on third base, aimed at bringing that runner home, is known as a squeeze play . With a runner on third and fewer than two outs, a batter may instead concentrate on hitting a fly ball that, even if it is caught, will be deep enough to allow the runner to tag up and score—a successful batter, in this case, gets credit for
7200-411: Is typically demarcated by a raised fence, which may be of any material and height. The fair territory between home plate and the outfield boundary is baseball's field of play, though significant events can take place in foul territory, as well. There are three basic tools of baseball: the ball , the bat , and the glove or mitt : Protective helmets are also standard equipment for all batters. At
7360-519: Is used to describe a condition mimicking appendicitis. It can be associated with Yersinia enterocolitica . Acute appendicitis is typically managed by surgery . While antibiotics are safe and effective for treating uncomplicated appendicitis, 31% of people had a recurrence within a year and required an eventual appendectomy. Antibiotics are less effective if an appendicolith is present. While 51% of patients who were treated with antibiotics did not need an appendectomy three years after treatment,
7520-428: The 1936 World Series , which the Giants lost to the New York Yankees . After the season, the Giants requested waivers on Jackson to assign him to the minor leagues. Jackson batted over .300 six times, including a career-high .339 in the 1930 season, and hit 21 home runs in 1929. He was on four NL pennant-winning teams and a World Series champion (1933). Jackson finished his MLB career with 135 home runs, 929 RBI and
7680-643: The Alvarado score and the Pediatric Appendicitis Score, however, are variable. The Alvarado score is the most known scoring system. A score below 5 suggests against a diagnosis of appendicitis, whereas a score of 7 or more is predictive of acute appendicitis. In a person with an equivocal score of 5 or 6, a CT scan or ultrasound exam may be used to reduce the rate of negative appendectomy. Even for clinically certain appendicitis, routine histopathology examination of appendectomy specimens
7840-568: The American League , which evolved from the minor Western League , was established in 1893, and virtually all of the modern baseball rules were in place by then. The National Agreement of 1903 formalized relations both between the two major leagues and between them and the National Association of Professional Base Ball Leagues, representing most of the country's minor professional leagues . The World Series , pitting
8000-649: The Great Depression , have led the sport to receive the moniker of "America's Pastime"; since the late 19th century, it has been unofficially recognized as the national sport of the United States , though in modern times is considered less popular than other sports , such as American football . In addition to North America , baseball spread throughout the rest of the Americas and the Asia–Pacific in
8160-992: The Midland Braves of the Class-D Sophomore League in 1958, the Eau Claire Braves of the Class-C Northern League in 1959 and the Davenport Braves of the Class-D Midwest League in 1960. Jackson and his wife, Mary, had two children, Dorothy Fincher and William Travis Jackson, six grandchildren and four great-grandchildren. Jackson died of Alzheimer's disease in 1987. As defensive standouts have historically been overshadowed by power hitters in Baseball Hall of Fame voting, Jackson
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#17327734143858320-496: The National Association of Base Ball Players , was formed. In 1867, it barred participation by African Americans . The more formally structured National League was founded in 1876. Professional Negro leagues formed, but quickly folded. In 1887, softball , under the name of indoor baseball or indoor-outdoor, was invented as a winter version of the parent game. The National League's first successful counterpart,
8480-461: The World Baseball Softball Confederation (WBSC). Women's baseball is played on an organized amateur basis in numerous countries. After being admitted to the Olympics as a medal sport beginning with the 1992 Games , baseball was dropped from the 2012 Summer Olympic Games at the 2005 International Olympic Committee meeting . It remained part of the 2008 Games . While the sport's lack of
8640-426: The appendix . Once this obstruction occurs, the appendix becomes filled with mucus and swells. This continued production of mucus leads to increased pressures within the lumen and the walls of the appendix. The increased pressure results in thrombosis and occlusion of the small vessels, and stasis of lymphatic flow . At this point, spontaneous recovery rarely occurs. As the occlusion of blood vessels progresses,
8800-421: The health history , assess the patient's symptoms , do a complete physical exam , and order both laboratory and imaging tests. Appendicitis symptoms fall into two categories, typical and atypical. Typical appendicitis is characterized by a migratory right iliac fossa pain associated with nausea, and anorexia, which can occur with or without vomiting and localized muscle stiffness/ generalized guarding . It
8960-590: The iliac fossa does not reveal any abnormalities despite the presence of appendicitis. This false-negative finding is especially true of early appendicitis before the appendix has become significantly distended. Also, false-negative findings are more common in adults where larger amounts of fat and bowel gas make visualizing the appendix technically difficult. Despite these limitations, sonographic imaging with experienced hands can often distinguish between appendicitis and other diseases with similar symptoms. Some of these conditions include inflammation of lymph nodes near
9120-579: The pitch clock to shorten game time. Baseball evolved from older bat-and-ball games already being played in England by the mid-18th century. This game was brought by immigrants to North America, where the modern version developed . Baseball's American origins, as well as its reputation as a source of escapism during troubled points in American history such as the American Civil War and
9280-410: The slider . Pitchers have different repertoires of pitches they are skillful at throwing. Conventionally, before each pitch, the catcher signals the pitcher what type of pitch to throw, as well as its general vertical or horizontal location. If there is disagreement on the selection, the pitcher may shake off the sign and the catcher will call for a different pitch. With a runner on base and taking
9440-423: The wicket for an hour or much more. There is no statistical equivalent in cricket for the fielding error and thus less emphasis on personal responsibility in this area of play. Unlike those of most sports, baseball playing fields can vary significantly in size and shape. While the dimensions of the infield are specifically regulated, the only constraint on outfield size and shape for professional teams, following
9600-484: The 1920s, it was joined by the Eastern Colored League . Compared with the present, professional baseball in the early 20th century was lower-scoring, and pitchers were more dominant. This so-called " dead-ball era " ended in the early 1920s with several changes in rule and circumstance that were advantageous to hitters. Strict new regulations governed the ball's size, shape and composition, along with
9760-598: The 1922 season Despite this, Elberfeld recommended Jackson to John McGraw , manager of the New York Giants of the National League (NL), who was entitled to a Travelers player as he had lent a player to the team in 1922. McGraw signed Jackson to a contract on June 30, effective at the end of the Southern Association's 1922 season. Jackson debuted with the Giants on September 22, 1922, appearing in three games. With Dave Bancroft and Heinie Groh ,
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#17327734143859920-463: The 1922 season, which he considered the "world record for errors". "I guess I set a world record for errors. I had a pretty good arm, see, but I didn't have much control. A lot of those were double errors — two on the same play, a boot and then a wild throw. The people in the first-base and right-field bleachers knew me. When the ball was hit to me they scattered. 'Watch out! He's got it again.'" – Travis Jackson on his performance in
10080-587: The 1924 season and hit .302 with 11 home runs . The Giants lost the 1924 World Series to the Washington Senators , with Jackson committing a key error in Game 7 . Jackson was considered one of the best shortstops of his era, and he led NL shortstops with a .970 fielding percentage in 1931. However, he missed considerable playing time in his career resulting from injuries and illnesses. Jackson reinjured his knee in 1925, missed significant time during
10240-424: The 1926 season and had surgery for appendicitis during the 1927 season. He missed time with mumps in 1930 and influenza in 1932, and he continued to battle knee problems, missing much of the 1932 and 1933 seasons. Jackson was said to "at 28, already [have] one foot in the minors". Despite this, manager Bill Terry said that Jackson would "make or break" the 1933 season. Though Jackson fell behind Blondy Ryan on
10400-1057: The 1951 season managing the Bluefield Blue-Grays of the Class-D Appalachian League , but was reassigned to the Hartford Chiefs of the Class-A Eastern League when Hartford manager Tommy Holmes was named the Braves' manager . Jackson managed the Appleton Papermakers of the Class-D Wisconsin State League in 1952 and 1953, the Lawton Braves of the Class-D Sooner State League from 1954 through 1957,
10560-636: The 19th and 20th centuries, and is now considered the most popular sport in parts of Central and South America , the Caribbean , and East Asia , particularly in Japan , South Korea , and Taiwan . In Major League Baseball (MLB), the highest level of professional baseball in the United States and Canada, teams are divided into the National League (NL) and American League (AL), each with three divisions: East, West, and Central. The MLB champion
10720-943: The Class-B Southeastern League in 1946. Jackson returned to the Giants to coach in 1947 and 1948, receiving his unconditional release following the 1948 season. Returning to the Braves' minor league system, Jackson managed the Tampa Smokers of the Class-B Florida International League in 1949, but resigned in July during a losing streak. He managed the Owensboro Oilers of the Class-D Kentucky–Illinois–Tennessee League in 1950, and began
10880-448: The DH rule, including MLB, Japan's Pacific League , and Caribbean professional leagues, along with major American amateur organizations. The Central League in Japan does not have the rule and high-level minor league clubs connected to National League teams are not required to field a DH. In leagues that apply the designated hitter rule, a typical team has nine offensive regulars (including
11040-684: The DH), five starting pitchers, seven or eight relievers, a backup catcher, and two or three other reserve players. The manager , or head coach, oversees the team's major strategic decisions, such as establishing the starting rotation, setting the lineup, or batting order, before each game, and making substitutions during games—in particular, bringing in relief pitchers. Managers are typically assisted by two or more coaches ; they may have specialized responsibilities, such as working with players on hitting, fielding, pitching, or strength and conditioning. At most levels of organized play, two coaches are stationed on
11200-514: The Dodgers. Latin-American players, largely overlooked before, also started entering the majors in greater numbers. In 1951, two Chicago White Sox, Venezuelan-born Chico Carrasquel and black Cuban-born Minnie Miñoso , became the first Hispanic All-Stars . Integration proceeded slowly: by 1953, only six of the 16 major league teams had a black player on the roster. In 1975, the union's power—and players' salaries—began to increase greatly when
11360-409: The Giants' starting shortstop and third baseman respectively, sidelined with injuries incurred during the 1923 season, Jackson drew notice as a fill-in. McGraw was confident enough in Jackson's abilities to trade Bancroft before the 1924 season, choosing Jackson to be the Giants' starting shortstop. Though there was doubt that Jackson could adequately replace Bancroft, Jackson played in 151 games during
11520-729: The Gotham Club. While there are reports that the New York Knickerbockers played games in 1845, the contest long recognized as the first officially recorded baseball game in U.S. history took place on June 19, 1846, in Hoboken, New Jersey : the "New York Nine" defeated the Knickerbockers, 23–1, in four innings. With the Knickerbocker code as the basis, the rules of modern baseball continued to evolve over
11680-519: The United States and Canada was founded in 1878 in Cuba, which maintains a rich baseball tradition. The Dominican Republic held its first islandwide championship tournament in 1912. Professional baseball tournaments and leagues began to form in other countries between the world wars, including the Netherlands (formed in 1922), Australia (1934), Japan (1936), Mexico (1937), and Puerto Rico (1938). The Japanese major leagues have long been considered
11840-430: The United States, appendicitis is one of the most common causes of sudden abdominal pain requiring surgery. Annually, more than 300,000 individuals in the United States undergo surgical removal of their appendix. The presentation of acute appendicitis includes acute abdominal pain, nausea, vomiting, and fever. As the appendix becomes more swollen and inflamed, it begins to irritate the adjoining abdominal wall. This leads
12000-874: The United States. While baseball is widely played in Canada and many minor league teams have been based in the country, the American major leagues did not include a Canadian club until 1969, when the Montreal Expos joined the National League as an expansion team. In 1977, the expansion Toronto Blue Jays joined the American League. In 1847, American soldiers played what may have been the first baseball game in Mexico at Parque Los Berros in Xalapa , Veracruz . The first formal baseball league outside of
12160-581: The abdomen ( laparotomy ) or using minimally invasive techniques with small incisions and cameras ( laparoscopy ). Surgery is essential to reduce the risk of complications or potential death associated with the rupture of the appendix. Antibiotics may be equally effective in certain cases of non-ruptured appendicitis, but 31% will undergo appendectomy within one year. It is one of the most common and significant causes of sudden abdominal pain . In 2015, approximately 11.6 million cases of appendicitis were reported, resulting in around 50,100 deaths worldwide. In
12320-672: The absence of other symptoms can occur in children with UTI), new-onset Crohn's disease or ulcerative colitis , pancreatitis , and abdominal trauma from child abuse ; distal intestinal obstruction syndrome in children with cystic fibrosis; typhlitis in children with leukemia. Women: A pregnancy test is important for all women of childbearing age since an ectopic pregnancy can have signs and symptoms similar to those of appendicitis. Other obstetrical/ gynecological causes of similar abdominal pain in women include pelvic inflammatory disease , ovarian torsion , menarche , dysmenorrhea, endometriosis , and Mittelschmerz (the passing of an egg in
12480-708: The appendix becomes ischemic and then necrotic . As bacteria begin to leak out through the dying walls, pus forms within and around the appendix (suppuration). The result is appendiceal rupture (a 'burst appendix') causing peritonitis , which may lead to sepsis and in rare cases, death . These events are responsible for the slowly evolving abdominal pain and other commonly associated symptoms. The causative agents include bezoars , foreign bodies, trauma , lymphadenitis and, most commonly, calcified fecal deposits that are known as appendicoliths or fecaliths . The occurrence of obstructing fecaliths has attracted attention since their presence in people with appendicitis
12640-422: The appendix becomes blocked, it experiences increased pressure, reduced blood flow, and bacterial growth, resulting in inflammation. This combination of factors causes tissue injury and, ultimately, tissue death. If this process is left untreated, it can lead to the appendix rupturing, which releases bacteria into the abdominal cavity , potentially leading to severe complications. The diagnosis of appendicitis
12800-425: The appendix or pain originating from other pelvic organs such as the ovaries or Fallopian tubes. Ultrasounds may be either done by the radiology department or by the emergency physician. Where it is readily available, computed tomography (CT) has become frequently used, especially in people whose diagnosis is not obvious on history and physical examination. Although some concerns about interpretation are identified,
12960-486: The average major league game has increased steadily through the years. At the turn of the 20th century, games typically took an hour and a half to play. In the 1920s, they averaged just less than two hours, which eventually ballooned to 2:38 in 1960. By 1997, the average American League game lasted 2:57 (National League games were about 10 minutes shorter—pitchers at the plate making for quicker outs than designated hitters). In 2004, Major League Baseball declared that its goal
13120-442: The ball to get batters or runners "out", which forces them out of the field of play. The pitcher can get the batter out by throwing three pitches which result in strikes , while fielders can get the batter out by catching a batted ball before it touches the ground, and can get a runner out by tagging them with the ball while the runner is not touching a base. The opposing teams switch back and forth between batting and fielding;
13280-413: The baseball in a certain manner, and by throwing it at a certain speed, pitchers can cause the baseball to break to either side, or downward, as it approaches the batter, thus creating differing pitches that can be selected. Among the resulting wide variety of pitches that may be thrown, the four basic types are the fastball , the changeup (or off-speed pitch), and two breaking balls —the curveball and
13440-426: The batter hits the ball and reaches first base before an opponent retrieves the ball and touches the base, or when the pitcher persists in throwing the ball out of the batter's reach . Players on the batting team who reach first base without being called " out " can attempt to advance to subsequent bases as a runner, either immediately or during teammates' turns batting. The fielding team tries to prevent runs by using
13600-454: The batter the previous inning are erased. A runner may circle the bases only once per plate appearance and thus can score at most a single run per batting turn. Once a player has completed a plate appearance, that player may not bat again until the eight other members of the player's team have all taken their turn at bat in the batting order . The batting order is set before the game begins, and may not be altered except for substitutions . Once
13760-407: The batter, standing in either of the two batter's boxes next to home plate, holding a bat. The batter waits for the pitcher to throw a pitch (the ball) toward home plate, and attempts to hit the ball with the bat. The catcher catches pitches that the batter does not hit—as a result of either electing not to swing or failing to connect—and returns them to the pitcher. A batter who hits the ball into
13920-464: The batting team's turn to bat is over once the fielding team records three outs. One turn batting for each team constitutes an inning . A game is usually composed of nine innings, and the team with the greater number of runs at the end of the game wins. Most games end after the ninth inning, but if scores are tied at that point, extra innings are usually played. Baseball has no game clock, though some competitions feature pace-of-play regulations such as
14080-418: The beginning of each half-inning, the nine players of the fielding team arrange themselves around the field. One of them, the pitcher , stands on the pitcher's mound. The pitcher begins the pitching delivery with one foot on the rubber, pushing off it to gain velocity when throwing toward home plate. Another fielding team player, the catcher , squats on the far side of home plate, facing the pitcher. The rest of
14240-413: The bounce and for succeeding or failing. The statistical precision of baseball is both facilitated by this isolation and reinforces it. Cricket is more similar to baseball than many other team sports in this regard: while the individual focus in cricket is mitigated by the importance of the batting partnership and the practicalities of tandem running, it is enhanced by the fact that a batsman may occupy
14400-448: The colon and a prolonged transit time. However, a prolonged transit time was not observed in subsequent studies. Diverticular disease and adenomatous polyps was historically unknown and colon cancer was exceedingly rare in communities where appendicitis itself was rare or absent, such as various African communities. Studies have implicated a transition to a Western diet lower in fiber in rising frequencies of appendicitis as well as
14560-436: The cost effectiveness of surgery versus antibiotics is unclear Using antibiotics to prevent potential postoperative complications in emergency appendectomy procedures is recommended, and the antibiotics are effective when given to a person before, during, or after surgery. Pain medications (such as morphine ) do not appear to affect the accuracy of the clinical diagnosis of appendicitis and therefore should be given early in
14720-425: The defensive team (referred to as the fielding team) is to prevent batters from becoming runners , and to prevent runners advancing around the bases . A run is scored when a runner legally advances around the bases in order and touches home plate (the place where the player started as a batter). The initial objective of the batting team is to have a player reach first base safely ; this generally occurs either when
14880-473: The difference between a double and a triple or inside-the-park home run . The surface of the field is also unregulated. While the adjacent image shows a traditional field surfacing arrangement (and the one used by virtually all MLB teams with naturally surfaced fields), teams are free to decide what areas will be grassed or bare. Some fields—including several in MLB—use artificial turf . Surface variations can have
15040-403: The doctor to find out if there are any further causes of inflammation. The C-reactive protein/albumin (CRP/ALB) ratio can be a reliable predictor of complicated appendicitis. The urinalysis is important for ruling out a urinary tract infection as the cause of abdominal pain. The presence of more than 20 WBC per high-power field in the urine is more suggestive of a urinary tract disorder. If
15200-626: The early 1830s, there were reports of a variety of uncodified bat-and-ball games recognizable as early forms of baseball being played around North America. The first officially recorded baseball game in North America was played in Beachville, Ontario , Canada, on June 4, 1838. In 1845, Alexander Cartwright , a member of New York City's Knickerbocker Club , led the codification of the so-called Knickerbocker Rules , which in turn were based on rules developed in 1837 by William R. Wheaton of
15360-418: The effect of shortening 2023 regular season games by 24 minutes on average. Although baseball is a team sport, individual players are often placed under scrutiny and pressure. While rewarding, it has sometimes been described as "ruthless" due to the pressure on the individual player. In 1915, a baseball instructional manual pointed out that every single pitch, of which there are often more than two hundred in
15520-558: The fetus is still undergoing organogenesis , and there are no long-term studies to date regarding its potential risks or side effects. In general, plain abdominal radiography (PAR) is not useful in making the diagnosis of appendicitis and should not be routinely obtained from a person being evaluated for appendicitis. Plain abdominal films may be useful for the detection of ureteral calculi , small bowel obstruction , or perforated ulcer , but these conditions are rarely confused with appendicitis. An opaque fecalith can be identified in
15680-488: The field of play must drop the bat and begin running toward first base, at which point the player is referred to as a runner (or, until the play is over, a batter-runner ). A batter-runner who reaches first base without being put out is said to be safe and is on base. A batter-runner may choose to remain at first base or attempt to advance to second base or even beyond—however far the player believes can be reached safely. A player who reaches base despite proper play by
15840-476: The field to confer with players during a game. Any baseball game involves one or more umpires , who make rulings on the outcome of each play. At a minimum, one umpire will stand behind the catcher, to have a good view of the strike zone, and call balls and strikes. Additional umpires may be stationed near the other bases, thus making it easier to judge plays such as attempted force outs and tag outs. In MLB, four umpires are used for each game, one near each base. In
16000-467: The field when the team is at bat: the first base coach and third base coach, who occupy designated coaches' boxes, just outside the foul lines. These coaches assist in the direction of baserunners, when the ball is in play, and relay tactical signals from the manager to batters and runners, during pauses in play. In contrast to many other team sports, baseball managers and coaches generally wear their team's uniforms; coaches must be in uniform to be allowed on
16160-410: The field, returning to their team's dugout or bench. A runner may be stranded on base when a third out is recorded against another player on the team. Stranded runners do not benefit the team in its next turn at bat as every half-inning begins with the bases empty. An individual player's turn batting or plate appearance is complete when the player reaches base, hits a home run, makes an out, or hits
16320-408: The fielders has recorded a hit . A player who reaches first base safely on a hit is credited with a single . If a player makes it to second base safely as a direct result of a hit, it is a double ; third base, a triple . If the ball is hit in the air within the foul lines over the entire outfield (and outfield fence, if there is one), or if the batter-runner otherwise safely circles all the bases, it
16480-417: The fielding team faces home plate, typically arranged as four infielders—who set up along or within a few yards outside the imaginary lines (basepaths) between first, second, and third base—and three outfielders. In the standard arrangement , there is a first baseman positioned several steps to the left of first base, a second baseman to the right of second base, a shortstop to the left of second base, and
16640-709: The first British baseball champions winning the 1890 National League of Baseball of Great Britain . The 2020 National Champions were the London Mets . Other European countries have seen professional leagues; the most successful, other than the Dutch league , is the Italian league , founded in 1948. In 2004, Australia won a surprise silver medal at the Olympic Games . The Confédération Européene de Baseball (European Baseball Confederation), founded in 1953, organizes
16800-472: The first imaging test in children and pregnant women because of the risks associated with radiation exposure from CT scans. Although ultrasound may aid in diagnosis, its main role is in identifying important differentials, such as ovarian pathology in females or mesenteric adenitis in children. The standard treatment for acute appendicitis involves the surgical removal of the inflamed appendix . This procedure can be performed either through an open incision in
16960-629: The first modern farm system . A new Negro National League was organized in 1933; four years later, it was joined by the Negro American League . The first elections to the National Baseball Hall of Fame took place in 1936. In 1939, Little League Baseball was founded in Pennsylvania. Many minor league teams disbanded when World War II led to a player shortage. Chicago Cubs owner Philip K. Wrigley led
17120-604: The formation of the All-American Girls Professional Baseball League to help keep the game in the public eye. The first crack in the unwritten agreement barring blacks from white-controlled professional ball occurred in 1945: Jackie Robinson was signed by the National League's Brooklyn Dodgers and began playing for their minor league team in Montreal . In 1947, Robinson broke the major leagues' color barrier when he debuted with
17280-400: The foul lines is referred to as fair territory; the 270-degree area outside them is foul territory. The part of the field enclosed by the bases and several yards beyond them is the infield ; the area farther beyond the infield is the outfield . In the middle of the infield is a raised pitcher's mound, with a rectangular rubber plate (the rubber) at its center. The outer boundary of the outfield
17440-447: The free fluid collection in the right iliac fossa, along with a visible appendix with increased blood flow when using color Doppler, and noncompressibility of the appendix, as it is essentially walled-off abscess. Other secondary sonographic signs of acute appendicitis include the presence of echogenic mesenteric fat surrounding the appendix and the acoustic shadowing of an appendicolith. In some cases (approximately 5%), ultrasonography of
17600-609: The game's most direct antecedents are the English games of stoolball and "tut-ball". The earliest known reference to baseball is in a 1744 British publication, A Little Pretty Pocket-Book , by John Newbery . Block discovered that the first recorded game of "Bass-Ball" took place in 1749 in Surrey , and featured the Prince of Wales as a player. This early form of the game was apparently brought to Canada by English immigrants. By
17760-497: The height of fences or other structures at the edge of the outfield. The most famously idiosyncratic outfield boundary is the left-field wall at Boston's Fenway Park , in use since 1912: the Green Monster is 310 feet (94 m) from home plate down the line and 37 feet (11 m) tall. Similarly, there are no regulations at all concerning the dimensions of foul territory. Thus a foul fly ball may be entirely out of play in
17920-488: The high school level and in doubleheaders in college, Minor League Baseball and, since the 2020 season , Major League Baseball ; and six innings at the Little League level). One team—customarily the visiting team—bats in the top, or first half, of every inning. The other team—customarily the home team—bats in the bottom, or second half, of every inning. The goal of the game is to score more points ( runs ) than
18080-844: The highest quality professional circuits outside of the United States. After World War II, professional leagues were founded in many Latin American countries, most prominently Venezuela (1946) and the Dominican Republic (1955). Since the early 1970s, the annual Caribbean Series has matched the championship clubs from the four leading Latin American winter leagues: the Dominican Professional Baseball League , Mexican Pacific League , Puerto Rican Professional Baseball League , and Venezuelan Professional Baseball League . In Asia, South Korea (1982), Taiwan (1990) and China (2003) all have professional leagues. The English football club, Aston Villa , were
18240-400: The infected area, and ensuring there are no signs that surrounding tissues are damaged or infected. In case of complicated appendicitis managed by an emergency open appendectomy, abdominal drainage (a temporary tube from the abdomen to the outside to avoid abscess formation) may be inserted, but this may increase the hospital stay. The surgeon will start closing the incision. This means sewing
18400-410: The infielders may play in , moving closer to home plate to improve the odds of throwing out the runner on a ground ball , though a sharply hit grounder is more likely to carry through a drawn-in infield. Several basic offensive tactics come into play with a runner on first base, including the fundamental choice of whether to attempt a steal of second base. The hit and run is sometimes employed, with
18560-414: The inflamed appendix from pressure. Similarly, if the appendix lies entirely within the pelvis, there is typically a complete absence of abdominal rigidity. In such cases, a digital rectal examination elicits tenderness in the rectovesical pouch. Coughing causes point tenderness in this area ( McBurney's point ), called Dunphy's sign . Acute appendicitis seems to be the result of a primary obstruction of
18720-439: The manager of the batting team trying to arrange opposite-handed matchups. With a team that has the lead in the late innings, a manager may remove a starting position player—especially one whose turn at bat is not likely to come up again—for a more skillful fielder (known as a defensive substitution ). The tactical decision that precedes almost every play in a baseball game involves pitch selection. By gripping and then releasing
18880-407: The midpoint between the batter's shoulders and belt down to the hollow of the knee. Any pitch which does not pass through the strike zone is called a ball, unless the batter either swings and misses at the pitch, or hits the pitch into foul territory; an exception generally occurs if the ball is hit into foul territory when the batter already has two strikes, in which case neither a ball nor a strike
19040-461: The muscles and using surgical staples or stitches to close the skin up. To prevent infections, the incision is covered with a sterile bandage or surgical adhesive. Laparoscopic appendectomy was introduced in 1983 and has become an increasingly prevalent intervention for acute appendicitis. This surgical procedure consists of making three to four incisions in the abdomen, each 0.25 to 0.5 inches (6.4 to 12.7 mm) long. This type of appendectomy
19200-408: The muscles completely relaxed and to keep the person unconscious. The incision is two to three inches (76 mm) long, and it is made in the right lower abdomen, several inches above the hip bone . Once the incision opens the abdomen cavity, and the appendix is identified, the surgeon removes the infected tissue and cuts the appendix from the surrounding tissue. After careful and close inspection of
19360-578: The neutrophil ratio was more sensitive and specific for acute appendicitis. In children, neutrophil-lymphocyte ratio (NLR) demonstrates a high degree of accuracy in the diagnosis of acute appendicitis and distinguishes complicated appendicitis from the simple one. 75–78 percent of the patients have neutrophilia . Delta-neutrophil index (DNI) is a valuable parameter that helps in the diagnosis of histologically normal appendicitis and distinguishing between simple and complicated appendicitis. A C-reactive protein (CRP) blood test will be ordered by
19520-514: The next half-century. The game then went on to spread throughout the Pacific Rim and the Americas, with Americans backing the sport as a way to spread American values. In the mid-1850s, a baseball craze hit the New York metropolitan area , and by 1856, local journals were referring to baseball as the "national pastime" or "national game". A year later, the sport's first governing body,
19680-466: The other aforementioned colonic diseases in these communities. And acute appendicitis has been shown to occur antecedent to cancer in the colon and rectum. Several studies offer evidence that a low fiber intake is involved in the pathogenesis of appendicitis. This low intake of dietary fiber is in accordance with the occurrence of a right-sided fecal reservoir and the fact that dietary fiber reduces transit time. The physician will ask questions to get
19840-550: The other discipline notably benefits from its unique mix of elements. The most exceptional park in this regard is Coors Field , home of the Colorado Rockies . Its high altitude—5,282 feet (1,610 m) above sea level—is partly responsible for giving it the strongest hitter's park effect in the major leagues due to the low air pressure. Wrigley Field , home of the Chicago Cubs, is known for its fickle disposition:
20000-558: The other team. The players on the team at bat attempt to score runs by touching all four bases, in order, set at the corners of the square-shaped baseball diamond . A player bats at home plate and must attempt to safely reach a base before proceeding, counterclockwise , from first base, to second base, third base, and back home to score a run. The team in the field attempts to prevent runs from scoring by recording outs , which remove opposing players from offensive action until their next turn at bat comes up again. When three outs are recorded,
20160-454: The ovaries approximately two weeks before menstruation). Men: testicular torsion Adults: new-onset Crohn disease , ulcerative colitis , regional enteritis, cholecystitis , renal colic , perforated peptic ulcer , pancreatitis , rectus sheath hematoma and epiploic appendagitis . Elderly: diverticulitis , intestinal obstruction, colonic carcinoma , mesenteric ischemia , leaking aortic aneurysm . The term " pseudoappendicitis "
20320-403: The pain to localize at the right lower quadrant . This classic migration of pain may not appear in children under three years. This pain can be elicited through signs, which can feel sharp. Pain from appendicitis may begin as dull pain around the navel. After several hours, the pain usually migrates towards the right lower quadrant, where it becomes localized. Symptoms include localized findings in
20480-425: The park. Appendicitis Appendicitis is inflammation of the appendix . Symptoms commonly include right lower abdominal pain , nausea , vomiting , and decreased appetite . However, approximately 40% of people do not have these typical symptoms. Severe complications of a ruptured appendix include widespread, painful inflammation of the inner lining of the abdominal wall and sepsis . Appendicitis
20640-404: The patient is a female, a pregnancy test will be ordered. In children, the clinical examination is important to determine which children with abdominal pain should receive immediate surgical consultation and which should receive diagnostic imaging. Because of the health risks of exposing children to radiation, ultrasound is the preferred first choice with CT scan being a legitimate follow-up if
20800-519: The patient's care. Historically there were concerns among some general surgeons that analgesics would affect the clinical exam in children, and some recommended that they not be given until the surgeon was able to examine the person. The surgical procedure for the removal of the appendix is called an appendectomy . Appendectomy can be performed through open or laparoscopic surgery. Laparoscopic appendectomy has several advantages over open appendectomy as an intervention for acute appendicitis. For over
20960-446: The peritoneum (inside lining of the abdominal wall) can lead to increased pain on movement, or jolting, for example going over speed bumps . Atypical histories often require imaging with ultrasound or CT scanning. During the early stages of appendicitis diagnosis, it is common for physical exams to present inconspicuous findings. Signs of inflammation become noticeable as the disease progresses. These signs may include: While there
21120-461: The pitcher—in the batting order, but does not field. Thus, even with the DH, each team still has a batting order of nine players and a fielding arrangement of nine players. The number of players on a baseball roster, or squad , varies by league and by the level of organized play. A Major League Baseball (MLB) team has a roster of 26 players with specific roles. A typical roster features the following players: Most baseball leagues worldwide have
21280-412: The play began, as or after the ball is caught). Runners may also attempt to advance to the next base while the pitcher is in the process of delivering the ball to home plate; a successful effort is a stolen base . A pitch that is not hit into the field of play is called either a strike or a ball. A batter against whom three strikes are recorded strikes out . A batter against whom four balls are recorded
21440-447: The playoffs, six umpires are used: one at each base and two in the outfield along the foul lines. Many of the pre-game and in-game strategic decisions in baseball revolve around a fundamental fact: in general, right-handed batters tend to be more successful against left-handed pitchers and, to an even greater degree, left-handed batters tend to be more successful against right-handed pitchers. A manager with several left-handed batters in
21600-404: The possibility of a draw (which occurs because of the restrictions on time, which like in baseball, originally did not exist ) often encourages a team that is batting last and well behind, to bat defensively and run out the clock, giving up any faint chance at a win, to avoid an overall loss. While nine innings has been the standard since the beginning of professional baseball, the duration of
21760-462: The preceding decade's average of 3:18. In 2016, the average nine-inning playoff game in Major League baseball was 3 hours and 35 minutes. This was up 10 minutes from 2015 and 21 minutes from 2014. In response to the lengthening of the game, MLB decided from the 2023 season onward to institute a pitch clock rule to penalize batters and pitchers who take too much time between pitches; this had
21920-419: The preparation procedure takes approximately one to two hours. Meanwhile, the surgeon will explain the surgery procedure and will present the risks that must be considered when performing an appendectomy. (With all surgeries there are risks that must be evaluated before performing the procedures.) The risks are different depending on the state of the appendix. If the appendix has not ruptured, the complication rate
22080-514: The radiation dosage that, while of nearly negligible risk in healthy adults, can be harmful to children or the developing baby. In pregnancy, it is more useful during the second and third trimester, particularly as the enlargening uterus displaces the appendix, making it difficult to find by ultrasound. The periappendiceal stranding that is reflected on CT by fat stranding on MRI appears as an increased fluid signal on T2 weighted sequences. First trimester pregnancies are usually not candidates for MRI, as
22240-414: The recovery process should take. Abdomen hair is usually removed to avoid complications that may appear regarding the incision. In most cases, patients going in for surgery experience nausea or vomiting that require medication before surgery. Antibiotics, along with pain medication, may be administered before appendectomies. Hospital lengths of stay typically range from a few hours to a few days but can be
22400-463: The regular lineup, who knows the team will be facing a left-handed starting pitcher, may respond by starting one or more of the right-handed backups on the team's roster. During the late innings of a game, as relief pitchers and pinch hitters are brought in, the opposing managers will often go back and forth trying to create favorable matchups with their substitutions. The manager of the fielding team trying to arrange same-handed pitcher-batter matchups and
22560-533: The reserve clause was effectively struck down , leading to the free agency system . Significant work stoppages occurred in 1981 and 1994 , the latter forcing the cancellation of the World Series for the first time in 90 years. Attendance had been growing steadily since the mid-1970s and in 1994, before the stoppage, the majors were setting their all-time record for per-game attendance. After play resumed in 1995, non-division-winning wild card teams became
22720-410: The right iliac fossa . The abdominal wall becomes very sensitive to gentle pressure ( palpation ). There is pain in the sudden release of deep tension in the lower abdomen ( Blumberg's sign ). If the appendix is retrocecal (localized behind the cecum ), even deep pressure in the right lower quadrant may fail to elicit tenderness (silent appendix). This is because the cecum , distended with gas, protects
22880-449: The right lower quadrant in fewer than 5% of people being evaluated for appendicitis. A barium enema has proven to be a poor diagnostic tool for appendicitis. While failure of the appendix to fill during a barium enema has been associated with appendicitis, up to 20% of normal appendices do not fill. Several scoring systems have been developed to try to identify people who are likely to have appendicitis. The performance of scores such as
23040-413: The rubric of MLB. In 2001, Barry Bonds established the current record of 73 home runs in a single season. There had long been suspicions that the dramatic increase in power hitting was fueled in large part by the abuse of illegal steroids (as well as by the dilution of pitching talent due to expansion), but the issue only began attracting significant media attention in 2002 and there was no penalty for
23200-630: The rules of MLB and Minor League Baseball , is that fields built or remodeled since June 1, 1958, must have a minimum distance of 325 feet (99 m) from home plate to the fences in left and right field and 400 feet (122 m) to center. Major league teams often skirt even this rule. For example, at Minute Maid Park , which became the home of the Houston Astros in 2000, the Crawford Boxes in left field are only 315 feet (96 m) from home plate. There are no rules at all that address
23360-449: The runner is touched by the ball, held in a fielder's hand, while not on a base. (The batter-runner is always forced to advance to first base, and any other runners must advance to the next base if a teammate is forced to advance to their base.) It is possible to record two outs in the course of the same play. This is called a double play . Three outs in one play, a triple play , is possible, though rare. Players put out or retired must leave
23520-414: The spread of infection in the abdomen and postoperative complications in the abdomen or wound. Equivocal cases may become more difficult to assess with antibiotic treatment and benefit from serial examinations. If the stomach is empty (no food in the past six hours), general anaesthesia is usually used. Otherwise, spinal anaesthesia may be used. Once the decision to perform an appendectomy has been made,
23680-578: The surrounding fat, or fat stranding, can be supportive of the diagnosis. However, their absence does not preclude it. In severe cases with perforation, an adjacent phlegmon or abscess can be seen. Dense fluid layering in the pelvis can also result, related to either pus or enteric spillage . When patients are thin or younger, the relative absence of fat can make the appendix and surrounding fat stranding difficult to see. Magnetic resonance imaging (MRI) use has become increasingly common for diagnosis of appendicitis in children and pregnant patients due to
23840-456: The team's depth chart during the season, he returned in the 1933 World Series , which the Giants won over the Senators. Terry stayed with Jackson as the Giants' starting shortstop for the 1934 season, in which he drove in 101 runs and was chosen to appear in the 1934 MLB All-Star Game . Jackson played third base in his final two seasons, serving as team captain , although he struggled in
24000-520: The team's manager until July 1938, when he was replaced with Hank DeBerry . The Giants brought Jackson back to the majors as a coach for the remaining 18 months on his contract, succeeding Tommy Clarke , who became a scout . Jackson missed the next five seasons as he battled tuberculosis , eventually returning to manage in the Boston / Milwaukee Braves system for the Jackson Senators in
24160-406: The teams switch roles for the next half-inning. If the score of the game is tied after nine innings, extra innings are played to resolve the contest. Many amateur games, particularly unorganized ones, involve different numbers of players and innings. The game is played on a field whose primary boundaries, the foul lines, extend forward from home plate at 45-degree angles. The 90-degree area within
24320-599: The two major league champions against each other, was inaugurated that fall. The Black Sox Scandal of the 1919 World Series led to the formation of the office of the Commissioner of Baseball . The first commissioner, Kenesaw Mountain Landis , was elected in 1920. That year also saw the founding of the Negro National League ; the first significant Negro league, it would operate until 1931. For part of
24480-419: The ultrasound is inconclusive. CT scan is more accurate than ultrasound for the diagnosis of appendicitis in adults and adolescents. CT scan has a sensitivity of 94%, specificity of 95%. Ultrasonography had an overall sensitivity of 86%, a specificity of 81%. Abdominal ultrasonography , preferably with doppler sonography , is useful to detect appendicitis, especially in children. Ultrasound can show
24640-516: The use of performance-enhancing drugs before 2004. In 2007, Bonds became MLB's all-time home run leader, surpassing Hank Aaron , as total major league and minor league attendance both reached all-time highs. Despite having been called "America's national pastime", baseball is well-established in several other countries. As early as 1877, a professional league, the International Association , featured teams from both Canada and
24800-501: The world. Baseball was played at the Olympic Games from 1992 to 2008, and was reinstated on a one-off basis in 2020. A baseball game is played between two teams, each usually composed of nine players, that take turns playing offense (batting and baserunning) and defense (pitching and fielding). A pair of turns, one at bat and one in the field, by each team constitutes an inning . A game consists of nine innings (seven innings at
24960-614: Was a talented baseball player. Elberfeld observed Jackson in an impromptu workout, and asked Jackson to contact him when he was ready to begin his professional career. Jackson attended Ouachita Baptist University in Arkadelphia, Arkansas , where he starred on the college baseball team. While there, he injured his knee, and this injury would recur during Jackson's career. Following Jackson's collegiate career, Elberfeld signed Jackson to his first contract, and he played for Little Rock in 1921 and 1922. Jackson committed 72 errors during
25120-529: Was an average game of 2:45. By 2014, though, the average MLB game took over three hours to complete. The lengthening of games is attributed to longer breaks between half-innings for television commercials, increased offense, more pitching changes, and a slower pace of play, with pitchers taking more time between each delivery, and batters stepping out of the box more frequently. Other leagues have experienced similar issues. In 2008, Nippon Professional Baseball took steps aimed at shortening games by 12 minutes from
25280-465: Was discovered by Kid Elberfeld at a minor league baseball game at the age of 14. Elberfeld signed Jackson to his first professional contract, and recommended him to John McGraw , manager of the Giants. His exceptional range at shortstop led to the nickname "Stonewall." Jackson was inducted into the National Baseball Hall of Fame in 1982. Jackson was born in Waldo, Arkansas , on November 2, 1903. He
25440-642: Was not elected through the annual balloting process despite his record and achievements. But in 1982, he was inducted into the Hall of Fame by the Veterans Committee . He was also inducted in the Arkansas Hall of Fame. Baseball Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding . The game occurs over the course of several plays , with each play generally beginning when
25600-594: Was the only child of William Jackson, a wholesale grocer, and his wife Etta, who named their son after William B. Travis , a lieutenant colonel who died at the Battle of the Alamo . Jackson's father bought him a baseball when he was three years old, and they often played catch together. Jackson's uncle took him to a Little Rock Travelers minor-league game when he was 14 years old. At the game, Jackson's uncle introduced him to Kid Elberfeld , telling Elberfeld that his nephew
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