135-471: Kaleb Johnson (born February 22, 1993) is a former American football guard . He played college football at Rutgers . Johnson started 50 career games at Rutgers, starting all 13 games at left guard as a senior. He was named honorable mention All-Big Ten at guard by the media and the league's head coaches. Johnson signed with the Baltimore Ravens as an undrafted free agent on May 7, 2015. He
270-454: A Native American , taught Reiter to throw an underhand spiral pass, but Reiter had short arms and was unable to throw for distance from an underhand delivery. Accordingly, Reiter began working on an overhand spiral pass. Reiter recalled trying to imitate the motion of a baseball catcher throwing to second base. After practice and experimentation, Reiter "discovered he could get greater distance and accuracy throwing that way". In 1906, Reiter
405-473: A forward pass is the throwing of the ball in the direction in which the offensive team is trying to move, towards the defensive team's goal line. The legal and widespread use of the forward pass distinguishes gridiron football ( American football and Canadian football ) from rugby football ( union and league ) from which the gridiron code evolved, in which the play is illegal. Illegal and experimental forward passes had been attempted as early as 1876, but
540-403: A halftime period, and the first and third quarters are followed by a short break. Before the game starts, the referee and each team's captain meet at midfield for a coin toss . The visiting team can call either "heads" or "tails"; the winner of the toss chooses whether to receive or kick off the ball or which goal they wish to defend. They can defer their choice until the second half. Unless
675-401: A 10-yard-long chain between them, are used to measure for a first down. The chain crew stays on the sidelines during the game, but if requested by the officials they will briefly bring the chains on to the field to measure. A typical chain crew will have at least three people—two members of the chain crew will hold either of the two sticks, while a third will hold the down marker. The down marker,
810-463: A 20-yard touchdown pass to Jack Schneider . The 1906 Saint Louis University team, coached by Eddie Cochems , was undefeated at 11–0 and featured the most potent offense in the country, outscoring their opponents 407–11. Football authority and College Football Hall of Fame coach David M. Nelson wrote that "E. B. Cochems is to forward passing what the Wright brothers are to aviation and Thomas Edison
945-442: A Dartmouth record which still stands. The 1925 Michigan team was coach Fielding H. Yost 's favorite and featured the passing tandem of Benny Friedman and Bennie Oosterbaan . Yost disciple Dan McGugin coached Vanderbilt and was one of the first emphasize the forward pass. His 1907 team beat Sewanee on a double pass play Grantland Rice cited as his biggest thrill in his years of watching sports. McGugin's 1927 team
1080-525: A PAT attempt or successful field goal, the scoring team must kick the ball off to the other team. A safety is scored when the ball carrier is tackled in the carrier's own end zone. Safeties are worth two points, which are awarded to the defense. In addition, the team that conceded the safety must kick the ball to the scoring team via a free kick . Football games are played on a rectangular field that measures 120 yards (110 m) long and 53 + 1 ⁄ 3 yards (48.8 m) wide. Lines marked along
1215-453: A field goal instead. A group of officials, the chain crew, keeps track of both the downs and the distance measurements. On television, a yellow line is electronically superimposed on the field to show the first down line to the viewing audience. There are two categories of kicks in football: scrimmage kicks, which can be executed by the offensive team on any down from behind or on the line of scrimmage, and free kicks. The free kicks are
1350-457: A group of Princeton players realized that, as the snap was uncontested, they could now hold the ball indefinitely to prevent their opponent from scoring. In 1881, in a game between Yale and Princeton, both teams used this strategy to maintain their undefeated records. Each team held the ball, gaining no ground, for an entire half, resulting in a 0–0 tie. This "block game" proved extremely unpopular with both teams' spectators and fans. A rule change
1485-533: A large stick with a dial on it, is flipped after each play to indicate the current down and is typically moved to the approximate spot of the ball. The chain crew system has been used for over 100 years and is considered an accurate measure of distance, rarely subject to criticism from either side. Football is a full-contact sport, and injuries are relatively common. Most injuries occur during training sessions, particularly ones that involve contact between players. To try to prevent injuries, players are required to wear
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#17327766270301620-408: A long circumference of 28 to 28 + 1 ⁄ 2 inches (71 to 72 cm), and a short circumference of 21 to 21 + 1 ⁄ 4 inches (53 to 54 cm). In college and high school play the ball has a long axis of 10 + 7 ⁄ 8 to 11 + 7 ⁄ 16 inches (27.6 to 29.1 cm), a long circumference of 27 + 3 ⁄ 4 to 28 + 1 ⁄ 2 inches (70 to 72 cm), and
1755-420: A minimum of 10 feet (3.0 m) on high school fields. Goal posts are padded at the base, and orange ribbons are normally placed at the tip of each upright as indicators of wind strength and direction. The football itself is a prolate spheroid leather ball, similar to the balls used in rugby or Australian rules football . To contain the compressed air within it, a pig's bladder was commonly used before
1890-510: A modified scoring system. These schools formed the Intercollegiate Football Association , although Yale did not join until 1879. Yale player Walter Camp , now regarded as the "Father of American Football", secured rule changes in 1880 that reduced the size of each team from 15 to 11 players and instituted the snap to replace the chaotic and inconsistent scrum . While the game between Rutgers and Princeton
2025-484: A new set of four downs to continue the drive . Points are scored primarily by advancing the ball into the opposing team's end zone for a touchdown or kicking the ball through the opponent's goalposts for a field goal . The team with the most points at the end of the game wins. American football evolved in the United States, originating from the sports of soccer and rugby . The first American football game
2160-477: A pass hits the ground without a player having caught it. A forward pass can be legally attempted only if the passer is behind the line of scrimmage; only one forward pass can be attempted per down. As in rugby, players can also pass the ball backwards at any point during a play. In the NFL, a down also ends immediately if the runner's helmet comes off. The offense is given a series of four plays, known as downs . If
2295-583: A player being paid to participate in a game of American football , although many athletic clubs in the 1880s offered indirect benefits, such as helping players attain employment, giving out trophies or watches that players could pawn for money, or paying double in expense money. Despite these extra benefits, the game had a strict sense of amateurism at the time, and direct payment to players was frowned upon, if not prohibited outright. Over time, professional play became increasingly common, and with it came rising salaries and unpredictable player movement, as well as
2430-636: A professional football game may have been thrown in an Ohio League game played on October 25, 1906. The Ohio League, which traced its history to the 1890s, was a direct predecessor of the NFL . According to Robert W. Peterson in his book Pigskin The Early Years of Pro Football , the "passer was George W. (Peggy) Parratt , probably the best quarterback of the era", who played for the Massillon, Ohio Tigers , one of pro football's first franchises. Citing
2565-427: A quarter ends, play continues until the down is completed. If certain fouls are committed during play while time has expired, the quarter may be extended through an untimed down . Games last longer than their defined length due to play stoppages—the average NFL game lasts slightly over three hours. Time in a football game is measured by the game clock. An operator is responsible for starting, stopping and operating
2700-511: A round ball. An 1875 Harvard–Yale game played under rugby-style rules was observed by two Princeton athletes who were impressed by it. They introduced the sport to Princeton, a feat the Professional Football Researchers Association compared to "selling refrigerators to Eskimos ". Princeton, Harvard, Yale, and Columbia then agreed to intercollegiate play using a form of rugby union rules with
2835-436: A secondary signal. Women can serve as officials; Sarah Thomas became the NFL's first female official in 2015. The seven officials (of a standard seven-man crew; lower levels of play up to the college level use fewer officials) on the field are each tasked with a different set of responsibilities: Another set of officials, the chain crew , are responsible for moving the chains. The chains, consisting of two large sticks with
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#17327766270302970-403: A separate sport from rugby, and the resulting five-yard lines added to the field to measure distances made it resemble a gridiron in appearance. Other major rule changes included a reduction of the field size to 110 by 53 + 1 ⁄ 3 yards (100.6 m × 48.8 m) and the adoption of a scoring system that awarded four points for a touchdown, two for a safety and a goal following
3105-544: A set of equipment. At a minimum players must wear a football helmet and a set of shoulder pads , but individual leagues may require additional padding such as thigh pads and guards, knee pads, chest protectors, and mouthguards . Most injuries occur in the lower extremities, particularly in the knee, but a significant number also affect the upper extremities. The most common types of injuries are strains , sprains , bruises , fractures , dislocations , and concussions . Forward pass In several forms of football ,
3240-410: A short circumference of 20 + 3 ⁄ 4 to 21 + 1 ⁄ 4 inches (53 to 54 cm). Football games last for a total of 60 minutes in professional and college play and are divided into two halves of 30 minutes and four quarters of 15 minutes. High school football games are 48 minutes in length with two halves of 24 minutes and four quarters of 12 minutes. The two halves are separated by
3375-415: A spike to conserve time after a hand-to-hand snap. If he throws the ball away while still in the pocket then a foul called "intentional grounding" is assessed. In Canadian football the passer must simply throw the ball across the line of scrimmage – whether he is inside or outside of the "pocket"—to avoid the foul of "intentionally grounding". If a forward pass is caught near a sideline or endline it
3510-416: A touchdown , and five for a goal from the field . Additionally, tackling below the waist was legalized, and a static line of scrimmage was instituted. Despite these new rules, football remained a violent sport. Dangerous mass-formations like the flying wedge resulted in serious injuries and deaths. A 1905 peak of 19 fatalities nationwide resulted in a threat by President Theodore Roosevelt to abolish
3645-421: Is a complete pass (or an interception) only if a receiver catches the ball "in bounds". For a pass to be ruled complete in-bounds, either one or two feet must touch the ground within the field boundaries after the ball is first grasped, depending on the league rules. In the NFL the receiver must touch the ground with both feet, but in most other codes – CFL , NCAA and high school – one foot in bounds
3780-460: Is a sport in which two competing teams vie for control of a ball, which can be kicked through a set of goalposts or run into the opponent's goal area to score points. What is considered to be the first American football game was played on November 6, 1869 , between Rutgers and Princeton , two college teams. They consisted of 25 players per team and used a round ball that could not be picked up or carried. It could, however, be kicked or batted with
3915-407: Is behind the line of scrimmage. The person passing the ball must be a member of the offensive team , and the recipient of the forward pass must be an eligible receiver and must touch the passed ball before any ineligible player. An illegal forward pass can incur a yardage penalty and the loss of a down, although it may be legally intercepted by the opponents and advanced. If an eligible receiver on
4050-425: Is called on the offense. There are two main ways the offense can advance the ball: running and passing . In a typical play, the center passes the ball backwards and between their legs to the quarterback in a process known as the snap . The quarterback then either hands the ball off to a running back, throws the ball, or runs with it. The play ends when the player with the ball is tackled or goes out-of-bounds or
4185-437: Is caught or recovered behind the line of scrimmage. If it is touched or recovered by the kicking team beyond this line, it becomes dead at the spot where it was touched. The kicking team is prohibited from interfering with the receiver's opportunity to catch the ball. The receiving team has the option of signaling for a fair catch , which prohibits the defense from blocking into or tackling the receiver. The play ends as soon as
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4320-516: Is commonly considered the first American football game, several years prior in 1862, the Oneida Football Club formed as the oldest known football club in the United States. The team consisted of graduates of Boston's elite preparatory schools and played from 1862 to 1865. The introduction of the snap resulted in an unexpected consequence. Before the snap, the strategy had been to punt if a scrum resulted in bad field position. However,
4455-399: Is first touched. At some levels of play, a video replay may be required for the game's officials to conclusively determine if a play is a fumble or a forward pass. The quarterback generally either starts a few paces behind the line of scrimmage or drops back a few steps after the ball is snapped. This places him in an area called the "pocket", which is a specific protective region formed by
4590-401: Is important to the game. The pass begins the moment the passer's arm begins to move forward. If the passer drops the ball before this moment it is a fumble and therefore a loose ball . In this case anybody can gain possession of the ball before or after it touches the ground. If the passer drops the ball while his arm is moving forward it is a forward pass, regardless of where the ball lands or
4725-403: Is known as a two-point conversion . In general, the extra point is almost always successful, while the two-point conversion is a much riskier play with a higher probability of failure; accordingly, extra point attempts are far more common than two-point conversion attempts. A field goal (FG), worth three points, is scored when the ball is place kicked or drop kicked through the uprights and over
4860-407: Is responsible for all kicking plays. The special teams unit of the team in control of the ball tries to execute field goal (FG) attempts, punts , and kickoffs , while the opposing team's unit will aim to block or return them. Three positions are specific to the field goal and PAT (point-after-touchdown) unit: the placekicker (K or PK), holder (H), and long snapper (LS). The long snapper's job
4995-409: Is sufficient. Common to all gridiron codes is the notion of control: a receiver must demonstrate control of the ball in order to be ruled in "possession" of it, while still in bounds. If the receiver handles the ball but the official determines that he was still "bobbling" it prior to the end of the play, then the pass will be ruled incomplete. Similarly, if the receiver fails to continue to control
5130-533: Is the most popular sport in the United States in terms of broadcast viewership audience. The most popular forms of the game are professional and college football , with the other major levels being high-school and youth football. As of 2022 , nearly 1.04 million high-school athletes play the sport in the U.S., with another 81,000 college athletes in the NCAA and the NAIA . The National Football League (NFL) has
5265-421: Is to block members of the defensive line from tackling the ball carrier on running plays or sacking the quarterback on passing plays. The leader of the offensive line is the center, who is responsible for snapping the ball to the quarterback, blocking, and for making sure that the other linemen do their jobs during the play. On either side of the center are the guards (G), while tackles (T) line up outside
5400-437: Is to snap the football to the holder, who will catch and position it for the placekicker. There is not usually a holder on kickoffs, because the ball is kicked off a tee; however, a holder may be used in certain situations, such as if wind is preventing the ball from remaining upright on the tee. The player on the receiving team who catches the ball is known as the kickoff returner (KR). The positions specific to punt plays are
5535-620: Is to the electric light." While Saint Louis University completed the first legal forward pass in the first half of September, this accomplishment was in part because most schools did not begin their football schedule until early October. In 1952, football coach Amos Alonzo Stagg discounted accounts crediting any particular coach with being the innovator of the forward pass. Stagg noted that he had Walter Eckersall working on pass plays and saw Pomeroy Sinnock of Illinois throw many passes in 1906. Stagg summed up his view as follows: "I have seen statements giving credit to certain people originating
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5670-677: The Arizona Cardinals ' practice squad on September 29, 2016. He signed a reserve/future contract with the Cardinals on January 3, 2017. On September 2, 2017, Johnson was waived by the Cardinals. On December 13, 2017, Johnson was signed to the Kansas City Chiefs ' practice squad. He signed a reserve/future contract with the Chiefs on January 10, 2018. He was waived on June 14, 2018. On August 4, 2018, Johnson signed with
5805-776: The Bowl Championship Series (BCS) in 1997. The BCS arrangement proved to be controversial , and was replaced in 2014 by the College Football Playoff (CFP). A football game is played between two teams of 11 players each. Playing with more on the field is punishable by a penalty. Teams may substitute any number of their players between downs; this "platoon" system replaced the original system, which featured limited substitution rules, and has resulted in teams utilizing specialized offensive, defensive and special teams units. The number of players allowed on an active roster varies by league;
5940-703: The Chicago Bears . He was waived on August 11, 2018. On August 13, 2018, Johnson signed with the Minnesota Vikings . He was waived on August 31, 2018. On December 14, 2018, Johnson was signed to the Philadelphia Eagles practice squad. He signed a reserve/future contract with the Eagles on January 14, 2019. On May 1, 2019, Johnson was waived by the Eagles. On May 7, 2019, Johnson was assigned to Baltimore Brigade . Johnson signed with
6075-469: The Ottawa Redblacks on May 19, 2019, and was moved to their retired list three days later. American football American football , referred to simply as football in the United States and Canada and also known as gridiron football , is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end. The offense , the team with possession of
6210-531: The Professional Football Researchers Association as his source, Peterson writes that "Parratt completed a short pass to end Dan Riley (real name, Dan Policowski )" in a game played at Massillon against a team from West Virginia. Since the Tigers "ran up a 61 to 0 score on the hapless Mountain Staters, the pass played no important part in the result". According to National Football League history, it legalized
6345-452: The Times also reflected widespread skepticism as to whether the forward pass could be effectively integrated into the game: "There has been no team that has proved that the forward pass is anything but a doubtful, dangerous play to be used only in the last extremity." John Heisman was instrumental in the rules' acceptance. In Canadian football, the first exhibition game using a forward pass
6480-488: The United Press : I was the right halfback, and on this formation played one yard back of our right tackle. The quarterback, Sam Moore, took the ball from center and faded eight or 10 yards back of our line. Our two ends angled down the field toward the sidelines as a decoy, and I slipped through the strong side of our line straight down the center and past the secondary defense. The pass worked perfectly. However,
6615-412: The center (C), are allowed to line up in or cross the neutral zone until the ball is snapped. Interior offensive linemen are not allowed to move until the snap of the ball. The main backfield positions are the quarterback (QB), halfback/tailback (HB/TB), and fullback (FB). The quarterback is the leader of the offense. Either the quarterback or a coach calls the plays. Quarterbacks typically inform
6750-409: The commissioner . NCAA and NFHS teams are "strongly advised" to number their offensive players according to a league-suggested numbering scheme. Although the sport is played almost exclusively by men, women are eligible to play in high school, college, and professional football. No woman has ever played in the NFL, but women have played in high school and college football games. In 2018, 1,100 of
6885-540: The highest average attendance of any professional sports league in the world . Its championship game, the Super Bowl , ranks among the most-watched club sporting events globally. In 2022, the league had an annual revenue of around $ 18.6 billion, making it the most valuable sports league in the world. Other professional and amateur leagues exist worldwide, but the sport does not have the international popularity of other American sports like baseball or basketball ;
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#17327766270307020-411: The kickoff , which starts the first and third quarters and overtime and follows a try attempt or a successful field goal; the safety kick follows a safety. On a kickoff, the ball is placed at the 35-yard line of the kicking team in professional and college play and at the 40-yard line in high school play. The ball may be drop kicked or place kicked. If a place kick is chosen, the ball can be placed on
7155-407: The neutral zone was created along the width of the football before the snap. Scoring was also adjusted: points awarded for field goals were reduced to three in 1909 and points for touchdowns were raised to six in 1912. Also in 1912, the field was shortened to 100 yards (91 m) long, two 10-yard-long (9.1 m) end zones were created, and teams were given four downs instead of three to advance
7290-407: The punter (P), long snapper, upback , and gunner . The long snapper snaps the football directly to the punter, who then drops and kicks it before it hits the ground. Gunners line up split outside the line and race down the field, aiming to tackle the punt returner (PR)—the player who catches the punt. Upbacks line up a short distance behind the line of scrimmage, providing additional protection to
7425-413: The 1966 season. Once the merger was completed, it was no longer a championship game between two leagues and reverted to the NFL championship game, which came to be known as the Super Bowl . College football maintained a tradition of postseason bowl games . Each bowl game was associated with a particular conference and earning a spot in a bowl game was the reward for winning a conference. This arrangement
7560-567: The 225,000 players in Pop Warner Little Scholars youth football were girls, and around 11% of the 5.5 million Americans who report playing tackle football are female according to the Sports and Fitness Industry Association. The role of the offensive unit is to advance the football down the field with the ultimate goal of scoring a touchdown . The offensive team must line up in a legal formation before they can snap
7695-647: The Alleghanies ..." Once the 1906 season got underway, many programs began experimenting with the forward pass. On September 26, 1906, Villanova's game against the Carlisle Indians was billed as "the first real game of football under the new rules". In the first play from scrimmage after the opening kicks, Villanova completed a pass that "succeeded in gaining ten yards". Following the Villanova-Carlisle game, The New York Times described
7830-592: The Midwest did not pick it up. Arthur Schabinger , quarterback for the College of Emporia in Kansas , was reported to have regularly used the forward pass in 1910. Coach H. W. "Bill" Hargiss' "Presbies" are said to have featured the play in a 17–0 victory over Washburn University and in a 107–0 destruction of Pittsburg State University . Coach Pop Warner at Carlisle had quarterback Frank Mount Pleasant , one of
7965-516: The NFL had established itself as America's premier professional football league. The dominant form of football at the time was played at the collegiate level . The upstart NFL received a boost to its legitimacy in 1925, however, when an NFL team, the Pottsville Maroons , defeated a team of Notre Dame all-stars in an exhibition game . A greater emphasis on the passing game helped professional football to distinguish itself further from
8100-570: The NFL has a 53-man roster, while NCAA Division I allows teams to have 63 scholarship players in the FCS and 85 scholarship players in the FBS, respectively. Individual players in a football game must be designated with a uniform number between 1 and 99, though some teams may "retire" certain numbers , making them unavailable to players. NFL teams are required to number their players by a league-approved numbering system, and any exceptions must be approved by
8235-474: The St. Louis coach in the development of the pass. Hackett was an official in games involving both teams. As Wray recalled almost 40 years later: "Hackett told this writer that in no other game that he handled had he seen the forward pass as used by St. Louis U. nor such bewildering variations of it." "Cochems said that the poor Iowa showing resulted from its use of the old style play and its failure to effectively use
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#17327766270308370-637: The Tar Heels had given birth to the forward pass against the Bulldogs (UGA). It was conceived to break a scoreless deadlock and give UNC a 6–0 win. The Carolinians were in a punting situation and a Georgia rush seemed destined to block the ball. The punter, with an impromptu dash to his right, tossed the ball and it was caught by George Stephens , who ran 70 yards for a touchdown. In a 1905 experimental game at Wichita, Kansas , Washburn University and Fairmount College (what would become Wichita State ) used
8505-460: The advent of artificial rubber inside the leather outer shell to sustain crushing forces . At all levels of play, the football is inflated to 12 + 1 ⁄ 2 to 13 + 1 ⁄ 2 psi (86 to 93 kPa), or just under one atmosphere, and weighs 14 to 15 ounces (400 to 430 g); beyond that, the exact dimensions vary slightly. In professional play the ball has a long axis of 11 to 11 + 1 ⁄ 4 inches (28 to 29 cm),
8640-572: The ball 10 yards (9.1 m). The roughing the passer penalty was implemented in 1914, and eligible players were first allowed to catch the ball anywhere on the field in 1918. On November 12, 1892, Pudge Heffelfinger was paid $ 500 (equivalent to $ 16,956 in 2023) to play a game for the Allegheny Athletic Association against the Pittsburgh Athletic Club . This is the first recorded instance of
8775-443: The ball after falling to the ground, the pass may be ruled incomplete. The forward pass had been attempted at least 30 years before the play was actually made legal. Passes "had been carried out successfully but illegally several times, including the 1876 Yale – Princeton game in which Yale's Walter Camp threw forward to teammate Oliver Thompson as he was being tackled. Princeton's protest, one account said, went for naught when
8910-435: The ball is caught, and the ball may not be advanced. Officials are responsible for enforcing game rules and monitoring the clock. All officials carry a whistle and wear black-and-white striped shirts and black hats except for the referee, whose hat is white. Each carries a weighted yellow flag that is thrown to the ground to signal that a foul has been called. An official who spots multiple fouls will throw their hat as
9045-410: The ball it is an incomplete pass and the ball becomes dead the moment it touches the ground. It will then be returned to the original line of scrimmage for the next down . If any player interferes with an eligible receiver's ability to catch the ball it is pass interference which draws a penalty of varying degrees, depending upon the particular league's rules. The moment that a forward pass begins
9180-406: The ball to within a foot or two of any given space" and noted that the 1921 team was the first at Notre Dame "to build its attack around a forward passing game, rather than use a forward passing game as a mere aid to the running game." Mohardt had both Eddie Anderson and Roger Kiley at end to receive his passes. From 1915 to 1916, Pudge Wyman and end Bert Baston of Minnesota were "one of
9315-430: The ball. An offensive formation is considered illegal if there are more than four players in the backfield or fewer than five players numbered 50–79 on the offensive line. Players can line up temporarily in a position whose eligibility is different from what their number permits as long as they report the change immediately to the referee, who then informs the defensive team of the change. Neither team's players, except
9450-591: The college game during the late 1930s. Football, in general, became increasingly popular following the 1958 NFL Championship game between the Baltimore Colts and the New York Giants , still referred to as the "Greatest Game Ever Played". The game, a 23–17 overtime victory by the Colts, was seen by millions of television viewers and had a major influence on the popularity of the sport. This, along with
9585-608: The conference, as they favored a rugby-style game that allowed running with the ball. After playing McGill University using both American (known as "the Boston game ") for the first game and Canadian (rugby) rules for the second one, the Harvard players preferred the Canadian style of having only 11 men on the field, running the ball without having to be chased by an opponent, the forward pass, tackling, and using an oblong instead of
9720-551: The conservative NFL to expand to Dallas and Minnesota in an attempt to destroy the new league. Meanwhile, the AFL introduced many new features to professional football in the United States: official time was kept on a scoreboard clock rather than on a watch in the referee's pocket, as the NFL did; optional two-point conversions by pass or run after touchdowns; names on the jerseys of players; and several others, including expansion of
9855-413: The crossbars of the defense's goalposts. In practice, almost all field goal attempts are done via place kick. While drop kicks were common in the early days of the sport, the shape of modern footballs makes it difficult to reliably drop kick the ball. The last successful scoring play by drop kick in the NFL was accomplished in 2006; prior to that, the last successful drop kick had been made in 1941. After
9990-511: The dark." Because St. Louis was geographically isolated from both the dominant teams and the major sports media (newspapers) of the era, all centered in and focused on the East, Cochems' groundbreaking offensive strategy was not picked up by the major teams. Pass-oriented offenses would not be adopted by the Eastern football powers until the next decade. But that does not mean that other teams in
10125-399: The defense is to prevent the offense from scoring by tackling the ball carrier or by forcing turnovers . Turnovers include interceptions (a defender catching a forward pass intended for the offense) and forced fumbles (taking possession of the ball from the ball-carrier). The defensive line (DL) consists of defensive ends (DE) and defensive tackles (DT). Defensive ends line up on
10260-430: The defensive backfield. They are divided into two types: middle linebackers (MLB) and outside linebackers (OLB). Linebackers tend to serve as the defensive leaders and call the defensive plays, given their vantage point of the offensive backfield. Their roles include defending the run, pressuring the quarterback, and tackling backs, wide receivers, and tight ends in the passing game. The defensive backfield , often called
10395-400: The east. ... The St. Louis university players shoot the ball hard and accurately to the man who is to receive it ... The fast throw by St. Louis enables the receiving player to dodge the opposing players, and it struck me as being all but perfect." Hackett is the only known expert witness to the passing offenses of both Cochems' 1906 squads and that of Stagg, who dismissed any special role for
10530-415: The ends ( tight ends and wide receivers ). The rules regulate who may throw and who may receive a forward pass, and under what circumstances, as well as how the defensive team may try to prevent a pass from being completed. The primary passer is the quarterback , and statistical analysis is used to determine a quarterback's success rate at passing in various situations, as well as a team's overall success at
10665-472: The ends and sides of the field are known as the end lines and sidelines . Goal lines are marked 10 yards (9.1 m) inward from each end line. Weighted pylons are placed the sidelines on the inside corner of the intersections with the goal lines and end lines. White markings on the field identify the distance from the end zone. Inbound lines, or hash marks , are short parallel lines that mark off 1-yard (0.91 m) increments. Yard lines , which can run
10800-404: The ends of the line, while defensive tackles line up inside, between the defensive ends. The primary responsibilities of defensive ends and defensive tackles are to stop running plays on the outside and inside, respectively, to pressure the quarterback on passing plays, and to occupy the line so that the linebackers can break through. Linebackers line up behind the defensive line but in front of
10935-499: The feet, hands, head, or sides, with the objective being to advance it into the opponent's goal. Rutgers won the game 6–4. Collegiate play continued for several years with games played using the rules of the host school. Representatives of Yale, Columbia , Princeton and Rutgers met on October 19, 1873, to create a standard set of rules for use by all schools. Teams were set at 20 players each, and fields of 400 by 250 feet (122 m × 76 m) were specified. Harvard abstained from
11070-468: The first legal forward pass in American football took place in 1906, after a change in the rules. Another rule change on January 18, 1951, established that no center or guard could receive a forward pass, and a tackle may only do so if he announces his intent to the referee beforehand that he will be an eligible receiver, called a tackle-eligible play . The only linemen who can receive a forward pass are
11205-457: The first regular spiral pass quarterbacks in football. Knute Rockne and Gus Dorais worked on the pass while lifeguarding on a Lake Erie beach at Cedar Point in Sandusky, Ohio , during the summer of 1913. That year, Jesse Harper , Notre Dame head coach, also showed how the pass could be used by a smaller team to beat a bigger one, first utilizing it to defeat rival Army . After it
11340-461: The forward pass encouraged adoption of a narrower ball, starting with changes in the 1920s which enhanced rifled throwing and also spiral punting. This had the consequence of all but eliminating the drop kick from the American game. In the two codes of rugby ( union and league ), a forward pass is against the rules. Normally this results in a scrum to the opposing team, but on rare occasions
11475-474: The forward pass from anywhere behind the line of scrimmage on February 25, 1933. Before that rule change, a forward pass had to be made from 5 or more yards behind the line of scrimmage. Forward passes were first permitted in Canadian football in 1929, but the tactic remained a minor part of the game for several years. Jack Jacobs of the Winnipeg Blue Bombers is recognized, not for inventing
11610-481: The forward pass officially became a legal play. The New York Times reported in September 1906 on the rationale for the changes: "The main efforts of the football reformers have been to 'open up the game'—that is to provide for the natural elimination of the so-called mass plays and bring about a game in which speed and real skill shall supersede so far as possible mere brute strength and force of weight." However,
11745-454: The forward pass", Nelson writes. "Iowa did attempt two basketball-style forward passes." "During the 1906 season [Robinson] threw a sixty-seven yard pass ... and ... Schneider tossed a sixty-five yarder. Considering the size, shape and weight of the ball, these were extraordinary passes." In 1907, after the first season of the forward pass, one football writer noted that, "with the single exception of Cochems, football teachers were groping in
11880-515: The forward pass, but for popularizing it in the Western Interprovincial Football Union (one of the forerunner leagues to the modern Canadian Football League ) in the early 1950s, thus changing the Canadian game from a more run-dominated game to a more passing-dominant game. Specification of the size of the ball for the American game came in 1912, but it was still essentially a rugby ball . Increased use of
12015-405: The forward pass. The fact is that all coaches were working on it. The first season, 1906, I personally had sixty-four different forward pass patterns." In 1954, Stagg disputed Cochems' claim to have invented the forward pass: Eddie Cochems, who coached at [Saint] Louis University in 1906, also claimed to have invented the pass as we know it today ... It isn't so, because after the forward pass
12150-502: The full credit." Writing in Collier's more than 20 years earlier, Dorais' Notre Dame teammate Knute Rockne acknowledged Cochems as the early leader in the use of the pass, observing, "One would have thought that so effective a play would have been instantly copied and become the vogue. The East, however, had not learned much or cared much about Midwest and Western football. Indeed, the East scarcely realized that football existed beyond
12285-419: The game clock based on the direction of the appropriate official . A separate play clock is used to show the amount of time within which the offense must initiate a play. The play clock is set to 25 seconds after certain administrative stoppages in play and to 40 seconds when play is proceeding without such stoppages. If the offense fails to start a play before the play clock reads "00", a delay of game foul
12420-655: The game unless major changes were made. In response, 62 colleges and universities met in New York City to discuss rule changes on December 28, 1905. These proceedings resulted in the formation of the Intercollegiate Athletic Association of the United States, later renamed the National Collegiate Athletic Association (NCAA). The legal forward pass was introduced in 1906, although its effect
12555-400: The greatest forward-passing combinations in the history of the gridiron". In the 1921 Rose Bowl , California 's Brick Muller completed a touchdown against Washington & Jefferson which went 53 yards in the air, a feat previously thought impossible. In a 1925, 62–13 victory over Cornell , Dartmouth's Andy Oberlander had 477 yards in total offense, including six touchdown passes,
12690-443: The ground or a tee; a holder may be used in either case. On a safety kick, the kicking team kicks the ball from their own 20-yard line. They can punt, drop kick or place kick the ball, but a tee may not be used in professional play. Any member of the receiving team may catch or advance the ball. The ball may be recovered by the kicking team once it has gone at least ten yards and has touched the ground or has been touched by any member of
12825-434: The guards. The principal receivers are the wide receivers (WR) and the tight ends (TE). Wide receivers line up on or near the line of scrimmage, split outside the line. The main goal of the wide receiver is to catch passes thrown by the quarterback, but they may also function as decoys or as blockers during running plays. Tight ends line up outside the tackles and function both as receivers and as blockers. The role of
12960-555: The illegal payment of college players who were still in school. The National Football League (NFL), a group of professional teams that was originally established in 1920 as the American Professional Football Association, aimed to solve these problems. This new league's stated goals included an end to bidding wars over players, prevention of the use of college players, and abolition of the practice of paying players to leave another team. By 1922,
13095-451: The innovations introduced by the new American Football League (AFL) in the early 1960s, helped football to become the most popular sport in the United States by the mid-1960s. The rival AFL arose in 1960 and challenged the NFL's dominance. The AFL began in relative obscurity but eventually thrived, with an initial television contract with the ABC television network. The AFL's existence forced
13230-496: The new passing game this way: The passing was more of the character of that familiar in basket ball than that which has hitherto characterized football. Apparently it is the intention of football coaches to try repeatedly these frequent long and risky passes. Well executed they are undoubtedly highly spectacular, but the risk of dropping the ball is so great as to make the practice extremely hazardous and its desirability doubtful. Another coach sometimes credited with popularizing
13365-429: The offense advances ten or more yards in the four downs, they are awarded a new set of four downs. If they fail to advance ten yards, possession of the football is turned over to the defense. In most situations, if the offense reaches their fourth down they will punt the ball to the other team, which forces them to begin their drive from farther down the field; if they are in field goal range , they might attempt to score
13500-419: The offensive blockers up front and between the tackles on each side. A quarterback who runs out of this pocket is said to be scrambling. Under NFL and NCAA rules, once the quarterback moves out of the pocket the ball may be legally thrown away to prevent a sack. NFHS (high school) rules do not allow for a passer to intentionally throw an incomplete forward pass to save loss of yardage or conserve time, except for
13635-429: The oval-shaped football , attempts to advance down the field by running with the ball or throwing it , while the defense , the team without possession of the ball, aims to stop the offense's advance and to take control of the ball for themselves. The offense must advance the ball at least ten yards in four downs or plays; if they fail, they turn over the football to the defense, but if they succeed, they are given
13770-561: The overhead spiral pass in 1906 is former Princeton All-American "Bosey" Reiter . Reiter claimed to have invented the overhead spiral pass while playing professional football as a player-coach for Connie Mack 's Philadelphia Athletics of the original National Football League (1902) . While playing for the Athletics, Reiter was a teammate of Hawley Pierce , a former star for the Carlisle Indian School . Pierce,
13905-505: The pass before new rules allowing the play were approved in early 1906. Credit for the first pass goes to Fairmount's Bill Davis, who completed a pass to Art Solter. 1905 had been a bloody year on the gridiron; the Chicago Tribune reported 19 players had been killed and 159 seriously injured that season. There were moves to outlaw the game, but United States President Theodore Roosevelt personally intervened and demanded that
14040-415: The passes was twenty yards." Nelson continues, "the last play demonstrated the dramatic effect that the forward pass was having on football. St. Louis was on Iowa's thirty-five-yard line with a few seconds to play. Timekeeper Walter McCormack walked onto the field to end the game when the ball was thrown twenty-five yards and caught on the dead run for a touchdown." The 1906 Iowa game was refereed by one of
14175-416: The passing game. In gridiron football , a forward pass is usually referred to simply as a pass, and consists of a player throwing the football towards the opponent's goal line. This is permitted only once during a scrimmage down by the offensive team before team possession has changed, provided the pass is thrown from behind the line of scrimmage ; a pass is legal as long as some part of the passer's body
14310-412: The passing team legally catches the ball, the pass is completed and the receiver may attempt to advance the ball. If an opposing player legally catches the ball – all defensive players are eligible receivers – it is an interception . That player's team immediately gains possession of the ball and he may attempt to advance the ball toward his opponent's goal. If no player is able to legally catch
14445-445: The plane of the two end lines. The crossbar of these posts is 10 feet (3.0 m) above the ground, with vertical uprights at the end of the crossbar 18 feet 6 inches (5.64 m) apart for professional and collegiate play, and 23 feet 4 inches (7.11 m) apart for high school play. The uprights extend vertically 35 feet (11 m) on professional fields, a minimum of 10 yards (9.1 m) on college fields, and
14580-451: The point(s)-after-touchdown (PAT) or conversion, which is a single scoring opportunity. This is generally attempted from the two- or three-yard line, depending on the level of play. If the PAT is scored by a place kick or drop kick through the goal posts, it is worth one point, typically called the extra point. If the PAT is scored by what would normally be a touchdown, it is worth two points; this
14715-556: The primary proponents of the rugby-style game, compromised and did not request the name of the sport be changed to "rugby". The terms " gridiron " or "American football" are favored in English-speaking countries where other types of football are popular, such as the United Kingdom, Ireland, New Zealand, and Australia. American football evolved from the sports of rugby and soccer . Rugby, like American football,
14850-422: The punter. In football, the winner is the team that has scored more points at the end of the game. There are multiple ways to score in a football game. The touchdown (TD), worth six points, is the most valuable scoring play in American football. A touchdown is scored when a live ball is advanced into, caught, or recovered in the opposing team's end zone. The scoring team then attempts a try, more commonly known as
14985-594: The quarterback coming up fast nailed me as I caught it. This brought the ball well into Yale territory, about the 20-yard line. The football season opened for most schools during the first week of October, and the impact of the forward pass was immediate: Some publications credit Yale All-American Paul Veeder with the "first forward pass in a major game". Veeder threw a 20- to 30-yard completion in leading Yale past Harvard 6–0 before 32,000 fans in New Haven on November 24, 1906. However, that Yale/Harvard game
15120-401: The receiving team. The three types of scrimmage kicks are place kicks, drop kicks, and punts. Only place kicks and drop kicks can score points. The place kick is the standard method used to score points, because the pointy shape of the football makes it difficult to reliably drop kick. Once the ball has been kicked from a scrimmage kick, it can be advanced by the kicking team only if it
15255-615: The referee 'tossed a coin to make his decision and allowed the touchdown to stand' ". The University of North Carolina used the forward pass in an 1895 game against the University of Georgia . However, the play was still illegal at the time. Bob Quincy stakes Carolina's claim in his 1973 book They Made the Bell Tower Chime : John Heisman , namesake of the Heisman Trophy , wrote 30 years later that, indeed,
15390-631: The rest of the offense of the play in the huddle before the team lines up. The quarterback lines up behind the center to take the snap and then hands the ball off, throws it, or runs with it. The primary role of the halfback, also known as the running back or tailback, is to carry the ball on running plays. Halfbacks may also serve as receivers. Fullbacks tend to be larger than halfbacks and function primarily as blockers, but they are sometimes used as runners in short-yardage or goal-line situations. They are seldom used as receivers. The offensive line (OL) consists of several players whose primary function
15525-507: The role of minority players, actively recruited by the league in contrast to the NFL. The AFL also signed several star college players who had also been drafted by NFL teams. Competition for players heated up in 1965, when the AFL New York Jets signed rookie Joe Namath to a then-record $ 437,000 contract (equivalent to $ 4.23 million in 2023). A five-year, $ 40 million NBC television contract followed, which helped to sustain
15660-471: The rules of the game be reformed. In a meeting of more than 60 schools in late 1905, the commitment was made to make the game safer. This meeting was the first step toward the establishment of what would become the NCAA and was followed by several sessions to work out "the new rules". The final meeting of the Rules Committee tasked with reshaping the game was held on April 6, 1906, at which time
15795-503: The secondary, consists of cornerbacks (CB) and safeties (S). Safeties are themselves divided into free safeties (FS) and strong safeties (SS). Cornerbacks line up outside the defensive formation, typically opposite a receiver to be able to cover them. Safeties line up between the cornerbacks but farther back in the secondary. Safeties tend to be viewed as "the last line of defense" and are responsible for stopping deep passing plays as well as breakout running plays. The special teams unit
15930-446: The size and shape of the football. The sport is closely related to Canadian football , which evolved in parallel with and at the same time as the American game, although its rules were developed independently from those of Camp. Most of the features that distinguish American football from rugby and soccer are also present in Canadian football. The two sports are considered the primary variants of gridiron football . American football
16065-428: The sport maintains a growing following in the rest of North America, Europe, Brazil, and Japan. In the United States, American football is referred to as "football". The term "football" was officially established in the rulebook for the 1876 college football season , when the sport first shifted from soccer-style rules to rugby-style rules. Although it could easily have been called "rugby" at this point, Harvard, one of
16200-660: The top football officials in the country, West Point 's Lt. Horatio B. "Stuffy" Hackett . He had officiated games involving the top Eastern powers that year. Hackett, who would become a member of the football rules committee in December 1907 and officiated games into the 1930s, was quoted the next day in Ed Wray's Globe-Democrat article: "It was the most perfect exhibition ... of the new rules ... that I have seen all season and much better than that of Yale and Harvard. St. Louis' style of pass differs entirely from that in use in
16335-411: The width of the field, are marked every 5 yards (4.6 m). A one-yard-wide line is placed at each end of the field; this line is marked at the center of the two-yard line in professional play and at the three-yard line in college play. Numerals that display the distance from the closest goal line in yards are placed on both sides of the field every ten yards. Goalposts are located at the center of
16470-408: The winning team decides to defer, the losing team chooses the option the winning team did not select—to receive, kick, or select a goal to defend to begin the second half. Most teams choose to receive or defer, because choosing to kick the ball to start the game allows the other team to choose which goal to defend. Teams switch goals following the first and third quarters. If a down is in progress when
16605-408: The young league. The bidding war for players ended in 1966 when NFL owners approached the AFL regarding a merger, and the two leagues agreed on one that took full effect in 1970. This agreement provided for a common draft that would take place each year, and it instituted an annual World Championship game to be played between the champions of each league. This championship game began play at the end of
16740-618: Was held on November 5, 1921, at McGill University in Montreal , Quebec, Canada, between the McGill Redmen football team and visiting American college football team the Syracuse Orangemen from Syracuse University . The game was organized by Frank Shaughnessy , the head coach of McGill. McGill player Robert "Boo" Anderson is credited with the first forward pass attempt in Canadian football history. The forward pass
16875-418: Was initially minimal due to the restrictions placed on its use. The idea of a 40-yard-wider field was opposed by Harvard due to the size of the new Harvard Stadium . Other rule changes introduced that year included the reduction of playing time from 70 to 60 minutes and an increase of the distance required for a first down from 5 to 10 yards (4.6 to 9.1 m). To reduce infighting and dirty play between teams,
17010-430: Was legalized in 1906, most of the schools commenced experimenting with it and nearly all used. Stagg asserted that, as far back as 1894, before the rules committee even considered the forward pass, one of his players used to throw the ball "like a baseball pitcher". On the other hand, Hall of Fame coach Gus Dorais told the United Press that "Eddie Cochems of the [Saint] Louis University team of 1906–07–08 deserves
17145-440: Was necessary to prevent this strategy from taking hold, and a reversion to the scrum was considered. However, Camp successfully proposed a rule in 1882 that limited each team to three downs , or tackles, to advance the ball 5 yards (4.6 m). Failure to advance the ball the required distance within those three downs would result in control of the ball being forfeited to the other team. This change effectively made American football
17280-406: Was not officially allowed in Canadian football until 1929. Most sources credit Saint Louis University's Bradbury Robinson from Bellevue, Ohio with throwing the first legal forward pass. On September 5, 1906, in a game against Carroll College , Robinson's first attempt at a forward pass fell incomplete and resulted in a turnover under the 1906 rules. In the same game, Robinson later completed
17415-455: Was piloted by Bill Spears , who threw for over a thousand yards. According to one writer, Vanderbilt produced "almost certainly the legit top Heisman candidate in Spears, if there had been a Heisman Trophy to award in 1927". McGugin disciple and former quarterback Ray Morrison brought the pass to the southwest when he coached Gerald Mann at Southern Methodist . The first forward pass in
17550-431: Was played on November 6, 1869 , between two college teams, Rutgers and Princeton , using rules based on the rules of soccer at the time. A set of rule changes drawn up from 1880 onward by Walter Camp , the "Father of American Football", established the snap , the line of scrimmage , eleven-player teams, and the concept of downs. Later rule changes legalized the forward pass , created the neutral zone , and specified
17685-534: Was played three weeks after St. Louis completed 45- and 48-yard passes against Kansas before a crowd of 7,000 at Sportsman's Park . The forward pass was a central feature of Cochems' offensive scheme in 1906 as his St. Louis University team compiled an undefeated 11–0 season in which they outscored opponents by a combined score 407 to 11. The highlight of the campaign was St. Louis' 39–0 win over Iowa . Cochems' team reportedly completed eight passes in ten attempts for four touchdowns. "The average flight distance of
17820-556: Was profitable, but it tended to prevent the two top-ranked teams from meeting in a true national championship game, as they would normally be committed to the bowl games of their respective conferences. Several systems have been used since 1992 to determine a national champion of college football. The first was the Bowl Coalition , in place from 1992 to 1994. This was replaced in 1995 by the Bowl Alliance , which gave way to
17955-418: Was the head coach at Wesleyan University . In the opening game of the 1906 season against Yale , Reiter's quarterback Sammy Moore completed a forward pass to Irvin van Tassell for a thirty-yard gain. The New York Times called it "the prettiest play of the day", as Wesleyan's quarterback "deftly passed the ball past the whole Yale team to his mate Van Tassel". Van Tassel later described the historic play to
18090-448: Was used against a major school on a national stage in this game, the forward pass rapidly gained popularity. The 1919 and 1920 Notre Dame teams had George Gipp , an ideal handler of the forward pass, who threw for 1,789 yards. John Mohardt led the 1921 Notre Dame team to a 10–1 record with 781 rushing yards, 995 passing yards, 12 rushing touchdowns, and nine passing touchdowns. Grantland Rice wrote that "Mohardt could throw
18225-473: Was waived on September 5, 2015 and was signed to the practice squad the next day. He was promoted to the active roster on November 30, 2015, but was waived on December 12, 2015. Johnson was claimed off waivers by the Cleveland Browns on December 14, 2015. He was waived on September 3, 2016, and was signed to the practice squad the next day, but was released the following day. Johnson was signed to
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