151-403: Linebacker ( LB ) is a playing position in gridiron football . Linebackers are members of the defensive team , and typically line up three to five yards behind the line of scrimmage and the defensive linemen , playing closer to the line of scrimmage than the defensive backs (secondary). As such, linebackers play a hybrid role and are often the most versatile players on the defensive side of
302-477: A Super Bowl victory: Doug Williams in 1988 , Russell Wilson , who is multiracial , in 2014 , and Patrick Mahomes ( biracial ) in 2020 , 2023 , and 2024 . However, numerous quarterbacks with African ancestry did start the Super Bowl since the 2010s, including four in a row ( Super Bowl XLVII , Super Bowl XLVIII , Super Bowl XLIX , Super Bowl 50 ). Quarterbacks with known black ancestry have also won
453-408: A holder on placekicks or as a punter , and will often play a key role in practice, serving as the upcoming opponent's quarterback during the preceding week's practices. A backup quarterback may also be put in during " garbage time " (when the score is so lopsided and the time left in the game is so short that the outcome cannot realistically be changed), or start a meaningless late-season game (either
604-403: A "scramble") to avoid being sacked by the defense. Depending on the offensive scheme used by their team, the quarterback's role can vary. In systems like the triple option , the quarterback will only pass the ball a few times per game, if at all, while the pass-heavy spread offense , as run by schools like Texas Tech , requires quarterbacks to throw the ball on most plays. The passing game
755-400: A 4–3 defense as their "Jack" linebacker. The idea behind the 3–4 defense is to disguise where the fourth rusher will come from. Instead of the standard four down-linemen in the 4–3, only three players are clearly attacking nearly every play. A key for running this defense successfully is having a defensive front of three large defensive linemen who command constant double teams. In particular,
906-423: A 4–3 on the field. In the 46 defense, there are four linemen, three linebackers and a safety who is moved up behind the line of scrimmage. Thus, it appears as if there are four linebackers, but it is really three linebackers with one safety playing up with the other linebackers. Three of the defensive linemen are over both of the offensive guards and the center, thereby making it difficult to double-team any one of
1057-459: A backup quarterback as their holder on placekicks. A benefit of using quarterbacks as holders is that it would be easier to pull off a fake field goal attempt, but many coaches prefer to use punters as holders because a punter will have far more time in practice sessions to work with the kicker than any quarterback would. In the Wildcat formation , where a halfback lines up behind the center and
1208-400: A field goal on a try is worth one point while another touchdown is worth two). At the college and professional levels, the defense can also score on a try, but only on the same scale (thus a botched try the defense returns for a touchdown scores only two points and not six). Kickoffs occur after every touchdown and field goal. If a team is in its own end zone and commits a foul, is tackled with
1359-400: A game, and even a starter at most other positions rarely plays every snap, a team's starting quarterback often remains in the game for every play, which means that a team's primary backup may go an entire season without taking a meaningful offensive snap. While their primary role may be to be available in case of injury to the starter, the backup quarterback may also have additional roles such as
1510-417: A man or zone coverage is called. In zone coverage, the linebackers will generally drop into hook zones across the middle of the field. However, some zones will send the outside linebackers into the flats (area directly to the left and right of the hash marks, extending 4–5 yards downfield). In a man-to-man call, the "Sam" will often cover the tight end with help from a safety over the top, while at other times,
1661-678: A no-huddle scheme, as did Ben Roethlisberger of the Pittsburgh Steelers . Throughout football history, the racial makeup of quarterbacks did not reflect the racial makeup of the sport. Black quarterbacks especially faced barriers in breaking into the starting job at the highest levels. The first black starting quarterback in the Super Bowl era was Marlin Briscoe in 1968, who started for the American Football League 's Denver Broncos during part of one season; he
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#17327872080891812-572: A number of forward-passing tailbacks became stars, including Sammy Baugh of the Washington Redskins . In 1939, University of Chicago head football coach Clark Shaughnessy made modifications to the T-formation, a formation that put the quarterback behind the center and had him receive the snap directly. Shaughnessy altered the formation by having the linemen be spaced further apart, and he began having players go in motion behind
1963-504: A pass-heavy league, in part due to further rule changes that prescribed harsher penalties for hitting the quarterback and for hitting defenseless receivers as they awaited passes. Passing in wide-open offenses has also been an emphasis at the high school and college levels, and professional coaches have devised schemes to fit the talents of new generations of quarterbacks. While quarterbacks and team captains usually called plays in football's early years, today coaches often decide which plays
2114-412: A prominent athlete and rugby player at Yale University , pushed through a change in rules at a meeting in 1880 that established a line of scrimmage and allowed for the football to be snapped to a quarterback. The change was meant to allow for teams to strategize their play more thoroughly and retain possession more easily than was possible in the chaos of a scrummage in rugby. In Camp's formulation,
2265-569: A rarity in the early 2000s, although he never led his team to a Super Bowl. In the 2010s, quarterbacks with dual-threat capabilities have become more popular. Current NFL quarterbacks considered to be dual-threats include Russell Wilson , Lamar Jackson , and Josh Allen . Some teams employ a strategy that involves the use of more than one quarterback during the course of a game. This is more common at lower levels of football, such as high school or small college, but rare in major college or professional football. There are four circumstances in which
2416-498: A relative rarity among other teams; between 1920 and 1932, there were three times as many running plays as there were passing plays. Early NFL quarterbacks typically were responsible for calling the team's offensive plays with signals before the snap. The use of the huddle to call plays originated with Stagg in 1896, but only began to be used regularly in college games in 1921. In the NFL, players were typically assigned numbers, as were
2567-453: A running play, the quarterback will then hand or pitch the ball backwards to a halfback or fullback . On a passing play, the quarterback is almost always the player responsible for trying to throw the ball downfield to an eligible receiver. Additionally, the quarterback may run with the football himself, as part of a designed play like the option run or quarterback sneak , or the quarterback could make an impromptu run on their own (called
2718-542: A running quarterback and a passing quarterback in an option or wishbone offense. In Canadian football, quarterback sneaks or other runs in short-yardage situations tend to be successful as a result of the distance between the offensive and defensive lines being one yard. Drew Tate , a quarterback for the Calgary Stampeders , was primarily used in short-yardage situations and led the CFL in rushing touchdowns during
2869-497: A season-ending injury that cost him the 1991 NFL season and was supplanted by Young. Young was injured midway through the season, but Bono held the starting job (despite Young's recovery) until Bono's own injury let Young reclaim it. Montana also missed most of the 1992 NFL season , making only one appearance, then was traded away at his request to take over as the starter for the Kansas City Chiefs ; upon retirement, he
3020-514: A series of parallel lines along both the width and length of the field, which produced a grid pattern resembling a cross-hatched cooking gridiron . The ball would be snapped in the grid in which it was downed on the previous play. By 1920, the grid system was abandoned in favor of the system of yard lines and hash marks used today. The International Federation of American Football (IFAF), uses "American football" inclusive of Canadian football and other varieties. In Australia, American football
3171-407: A short period of time) have been centered around a single starting quarterback; the one exception was the Washington Redskins under head coach Joe Gibbs who won three Super Bowls with three different starting quarterbacks from 1982 to 1991. Many of these NFL dynasties ended with the departure of their starting quarterback. On a team's defense, the middle linebacker is regarded as "quarterback of
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#17327872080893322-470: A star quarterback's high salary may prevent the signing of other expensive star players as the team has to stay under the hard salary cap . One of the major contributing factors behind the success and longevity of the New England Patriots ' Brady–Belichick era was the willingness of starting quarterback Tom Brady to consistently take pay cuts despite his elite performance, which allowed
3473-507: A two-quarterback system may be used. The first is when a team is in the process of determining which quarterback will eventually be the starter, and may choose to use each quarterback for part of the game in order to compare the performances. For instance, the Seattle Seahawks ' Pete Carroll used the preseason games in 2012 to select Russell Wilson as the starting quarterback over Matt Flynn and Tarvaris Jackson . The second
3624-562: A variety of formations. Harvard's team put seven men on the line of scrimmage, with three halfbacks who alternated at quarterback and a lone fullback . Princeton put six men on the line and had one designated quarterback, while Yale used seven linemen, one quarterback and two halfbacks who lined up on either side of the fullback. This was the origin of the T-formation , an offensive set that remained in use for many decades afterward and gained popularity in professional football starting in
3775-429: Is a field goal attempt. This must be attempted by place kick or (more rarely) drop kick , and if the kicked ball passes through the goal set at the edge of the opponent's end zone, the team scores three points. (Four-point field goals have been offered in a few variations of the game under special rules, but the NFL, college and high school football only offer three-point field goals.) In Canada, any kick that goes into
3926-449: Is a position in gridiron football who are members of the offensive side of the ball and mostly line up directly behind the offensive line . In modern American football , the quarterback is usually considered the leader of the offense, and is often responsible for calling the play in the huddle . The quarterback also touches the ball on almost every offensive play, and is almost always the offensive player that throws forward passes . When
4077-595: Is a starter–reliever system, in which the starting quarterback splits the regular season playing time with the backup quarterback, although the former will start playoff games. This strategy is rare, and was last seen in the NFL in the "WoodStrock" combination of Don Strock and David Woodley , which took the Miami Dolphins to the Epic in Miami in 1982 and Super Bowl XVII the following year. The starter–reliever system
4228-410: Is called "Will". "Mikes" usually line up towards the strong side or on the side the offense is more likely to run on (based on personnel matchups) while "Wills" may line up on the other side or even a little further back between the defensive line and the secondary. The outside linebacker ( OLB ), sometimes called the "Buck, Sam, and Rebel", is usually responsible for outside containment. This includes
4379-539: Is commonly used in high school football. Gridiron football Gridiron football ( / ˈ ɡ r ɪ d aɪ . ər n / GRID -eye-ərn ), also known as North American football, or in North America as simply football , is a family of football team sports primarily played in the United States and Canada. American football , which uses 11 players, is the form played in the United States and
4530-428: Is credited with pioneering the linebacker position. He starred as a tackle and end , playing off the line in a style similar to that of a modern linebacker. The middle or inside linebacker ( MLB or ILB ), sometimes called the "Mike" or "Mac", is often referred to as the " quarterback of the defense". Often it is the middle linebacker who receives the defensive play calls from the sideline and relays that play to
4681-584: Is distinct from a one-off situation in which a starter is benched in favor of the backup because the switch is part of the game plan (usually if the starter is playing poorly for that game), and the expectation is that the two players will assume the same roles game after game. The third is if a coach decides that the team has two quarterbacks who are equally effective and proceeds to rotate the quarterbacks at predetermined intervals, such as after each quarter or after each series. Southern California high school football team Corona Centennial operated this model during
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4832-532: Is emphasized heavily in the Canadian Football League (CFL), where there are only three downs (as opposed to the four downs used in American football), a larger field of play and an extra eligible receiver. Different skillsets are required of the quarterback depending upon the offensive system. Quarterbacks that perform well in a pass-heavy spread offense system, a popular offensive scheme in
4983-549: Is frequently the " quarterback of the defense". His central role on the field means he is in the best position to call defensive plays and direct shifts and changes based on what the offense is doing. Outside linebackers are often in a position to blitz , a defensive maneuver where the player rushes into the offensive backfield to disrupt a running play or sack the quarterback on passing plays. Besides "Mike", other nicknames such as "Sam", "Will", or "Jack", are commonly used to refer to various linebacking roles. Historically, some of
5134-405: Is often a smaller, faster player who excels in pass coverage. However, the smaller or cover LB should also be able to scrape and plug running lanes decently. The design concept of the 3–4 defense is to confuse the offensive line in their blocking assignments, particularly in pass blocking, and to create a more complex read for the quarterback. Many 3–4 defenses have the ability to quickly morph into
5285-624: Is often referred to as "gridiron" or (in more formal contexts) "American football", as " football " usually refers to Australian rules football , rugby league or rugby union , similar to how association football is usually called " soccer " in Australian English . The governing body for American football in Australia is Gridiron Australia . Similarly, in the UK American football is known as American football, as "football"
5436-436: Is set, the snapper snaps the ball to one of the players behind him. (A snapper must snap the ball within 20 to 25 seconds of the official setting the ball back into position after the previous play, and a play clock is kept to enforce the measure.) Once the ball is snapped, the play has commenced, and the offense's goal is to continue advancing the ball toward their opponent's end zone . This can be done either by running with
5587-672: Is the first player (and third person after the team owner and head coach) to be presented with the Lamar Hunt Trophy / George Halas Trophy (after winning the AFC/NFC Conference title) and the Vince Lombardi Trophy (after a Super Bowl victory). The starting quarterback of the victorious Super Bowl team is often chosen for the " I'm going to Disney World! " campaign (which includes a trip to Walt Disney World for them and their families), whether they are
5738-423: Is typically called the "Will", while the strong side or middle inside linebacker is called the "Mike". "Sam" is a common designation for strong outside linebacker, while the other position is usually called "Jack" and is often a hybrid DE/LB. Usually, teams that run a 3–4 defense look for college defensive ends that are too small to play the position in the pros and not quite fluid enough to play outside linebacker in
5889-504: Is used in heavy run situations to stop the run, when a team wants to apply much pressure, or merely to confuse the quarterback and offensive line. This defense is effective at run-stopping but is weaker than a 4–3 defense at pass coverage because it uses only three defensive backs. This defensive scheme is often played with two inside line backers and two outside line backers. The names of the two inside line backers are often called Sam and Mike and these two are lined up about four yards from
6040-520: Is used to refer to soccer . The sport developed from informal games played in North America during the 19th century. Early games had a variety of local rules and were generally similar to modern rugby union and soccer . The earliest recorded instance of gridiron football occurred at University of Toronto's University College in November 1861. Later in the 1860s, teams from universities were playing each other, leading to more standardized rules and
6191-483: The 1998 season a "nightmare" because of poor play by Ryan Leaf and Craig Whelihan and, from the rookie Leaf, obnoxious behavior toward teammates. Although their 1999 season replacements Jim Harbaugh and Erik Kramer were not stars, linebacker Junior Seau said, "You can't imagine the security we feel as teammates knowing we have two quarterbacks who have performed in this league and know how to handle themselves as players and as leaders". Commentators have noted
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6342-503: The 2014 season with 10 scores as the backup to Bo Levi Mitchell . This strategy had all but disappeared from professional American football, but returned to some extent with the advent of the "wildcat" offense. There is debate within football circles as to the effectiveness of the so-called "two-quarterback system". Many coaches and media personnel remain skeptical of the model. Teams such as USC (Southern California), OSU (Oklahoma State), Northwestern and smaller West Georgia have utilized
6493-523: The Associated Press NFL Most Valuable Player Award in recent years, including Cam Newton , Patrick Mahomes , and Lamar Jackson . Some black quarterbacks claim to have experienced bias towards or against them due to their race. Despite his ability to both pass and run effectively, current Cleveland Browns signal-caller Deshaun Watson despises being called a dual-threat quarterback because he believes
6644-513: The Burnside rules , a set of rules proposed by John Meldrum "Thrift" Burnside, the captain of the University of Toronto's football team . The change from a scrummage to a scrimmage made it easier for teams to decide what plays they would run before the snap. At first, the captains of college teams were put in charge of play calling, indicating with shouted codes which players would run with
6795-474: The Green Bay Packers , along with several other NFL figures of his era, was a consistent proponent of the forward pass. The Packers found success in the 1920s and 1930s using variations on the single-wing that emphasized the passing game. Packers quarterback Red Dunn and New York Giants and Brooklyn Dodgers quarterback Benny Friedman were the leading passers of their era, but passing remained
6946-607: The South as Frank Juhan , who played at Sewanee during 1908–1910. In the East, Ernest Cozens of Penn was "one of the first of the roving centers," another archaic term for the position, supposedly coined by Hank Ketcham of Yale . Walter E. Bachman of Lafayette was said to be "the developer of the 'roving center' concept". Edgar Garbisch of Army was credited with developing the "roving center method" of playing defensive football in 1921. In professional football, Cal Hubbard
7097-527: The Super Bowl MVP or not; examples include Joe Montana ( XXIII ), Trent Dilfer ( XXXV ), Peyton Manning ( 50 ) and Tom Brady ( LIII ). Dilfer was chosen even though teammate Ray Lewis was the MVP of Super Bowl XXXV, due to the bad publicity from Lewis' murder trial the previous year. Being able to rely on a quarterback is vital to team morale. San Diego Chargers safety Rodney Harrison called
7248-528: The forward pass , the system of downs , a number of unique rules and positions , measurement in customary units of yards (even in Canada, which largely metricated in the 1970s ), and a distinctive brown leather ball in the shape of a prolate spheroid with pointed ends. The international governing body for the sport is the International Federation of American Football (IFAF); although
7399-543: The "Sam" and "Will" will be responsible for the first man out of the backfield on their side of the center, with the "Mike" covering if a second man exits on that side of the field. In the " Tampa 2 " zone defense, the middle linebacker is required to drop quickly into a deep middle zone pass coverage thus requiring a quick player at this position. In the 3–4 defense three linemen play the line of scrimmage and four linebackers back them up, typically two outside linebackers and two inside linebackers. The weakside inside linebacker
7550-440: The "disproportionate importance" of the quarterback, describing it as the "most glorified—and scrutinized—position" in team sports. It is believed that "there is no other position in sports that 'dictates the terms' of a game the way quarterback does", whether that impact is positive or negative, as "Everybody feeds off of what the quarterback can and cannot do...Defensively, offensively, everybody reacts to what threats or non-threats
7701-422: The "quarter-back" was the person who received a ball snapped back with another player's foot. Originally he was not allowed to run forward of the line of scrimmage: A scrimmage takes place when the holder of the ball puts it on the ground before him and puts it in play while on-side either by kicking the ball or by snapping it back with his foot. The man who first receives the ball from the snap-back shall be called
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#17327872080897852-410: The 1930s. In 1906, the forward pass was legalized in American football; Canadian football did not adopt the forward pass until 1929. Despite the legalization of the forward pass, the most popular formations of the early 20th century focused mostly on the rushing game. The single-wing formation , a run-oriented offensive set, was invented by football coach Glenn "Pop" Warner around the year 1908. In
8003-490: The 1960s, running plays occurred more frequently than passes. NFL quarterback Milt Plum later stated that during his career (1957–1969) passes typically only occurred on third downs and sometimes on first downs. Quarterbacks only increased in importance as rules changed to favor passing and higher scoring and as football gained popularity on television after the 1958 NFL Championship Game , often referred to as "The Greatest Game Ever Played". Early modern offenses evolved around
8154-518: The 1980s and 1990s. A quarterback controversy results when a team has two capable quarterbacks competing for the starting position. Dallas Cowboys head coach Tom Landry alternated Roger Staubach and Craig Morton on each play, sending in the quarterbacks with the play call from the sideline; Morton started in Super Bowl V , which his team lost, while Staubach started in Super Bowl VI
8305-542: The 2014 football season, rotating quarterbacks after every series. In a game against the Chicago Bears in week 7 of the 1971 season, Dallas Cowboys head coach Tom Landry alternated Roger Staubach and Craig Morton on each play, sending in the quarterbacks with the playcall from the sideline. The fourth, still occasionally seen in major-college football, is the use of different quarterbacks in different game or down-and-distance situations. Generally this involves
8456-409: The 4–3 defense has four defensive linemen and three linebackers; conversely, the 3–4 defense has three linemen and four linebackers. In the 4–3 defense there are four down linemen and three linebackers. The middle linebacker is designated "Mike" (or "Mac") and two outside linebackers are designated "Sam" and "Will" according to how they line up against the offensive formation. If there is a strong call,
8607-533: The Browns win four AAFC championships in the late 1940s in head coach Paul Brown 's T-formation offense, which emphasized precision timing passes. Cleveland, along with several other AAFC teams, was absorbed by the NFL in 1950 after the dissolution of the AAFC that same year. By the end of the 1940s, all NFL teams aside from the Pittsburgh Steelers used the T-formation as their primary offensive formation. As late as
8758-669: The Comeback Player of the Year he was not re-signed due to an injury and joined the New Orleans Saints as a free agent. Brees and Rivers both retired in 2021, each having been a starter for the Saints and Chargers, respectively, for over a decade. Aaron Rodgers was drafted by the Green Bay Packers as the eventual successor to Brett Favre , though Rodgers served in a backup role for a few years to develop sufficiently for
8909-694: The NCAA and NFHS, rarely perform well in the National Football League (NFL), as the fundamentals of the pro-style offense used in the NFL are very different from those in the spread system, while quarterbacks in Canadian football need to be able to throw the ball often and accurately. In general, quarterbacks need to have physical skills such as arm strength, mobility and a quick throwing motion, in addition to intangibles such as competitiveness, leadership, intelligence and downfield vision. In
9060-446: The NCAA, NFHS and CFL; in the NFL, quarterbacks are eligible receivers if they are not lined up directly under center. Often compared to captains of other team sports, before the implementation of NFL team captains in 2007, the starting quarterback was usually the de facto team leader and a well-respected player on and off the field. Since 2007, when the NFL allowed teams to designate several captains to serve as on-field leaders,
9211-641: The NFL, quarterbacks are required to wear a uniform number between 1 and 19. In the National Collegiate Athletic Association (NCAA) and National Federation of State High School Associations (NFHS), quarterbacks are required to wear a uniform number between 1 and 49; in the NFHS, the quarterback can also wear a number between 80 and 89. In the CFL, the quarterback can wear any number from 0 to 49 and 70 to 99. Because of their numbering, quarterbacks are eligible receivers in
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#17327872080899362-460: The Patriots to spend that money elsewhere on additional skill players, with a famous example of this being the signing of Hall of Fame wide receiver Randy Moss in 2007. The quarterback touches the ball on almost every offensive play. Depending on the play calling system , prior to each play the quarterback will usually gather the rest of their team together in a huddle to tell them which play
9513-510: The QB is tackled behind the line of scrimmage , it is called a sack . The position is also colloquially known as the "signal caller" and "field general". In modern American football, the starting quarterback is usually the leader of the offense, and their successes and failures can have a significant impact on the fortunes of their team. Accordingly, the quarterback is among the most glorified, scrutinized, and highest-paid positions in team sports;
9664-544: The T-formation, passing tailbacks, such as Sammy Baugh, would line up as quarterbacks instead. Over the course of the decade, passing yards began to exceed rushing yards for the first time in the history of football. The Cleveland Browns of the late 1940s in the All-America Football Conference (AAFC), a professional league created to challenge the NFL, were one of the teams of that era that relied most on passing. Quarterback Otto Graham helped
9815-468: The U.S., third down in Canada), attempt a scrimmage kick . There are two types of scrimmage kick: a punt is when the ball is released from the punter's hand and kicked downfield as close to the opponent's end zone as possible without entering it; the kicking team loses possession of the ball after the kick and the receiving team can attempt to advance the ball or call a fair catch. The other scrimmage kick
9966-483: The United States), called downs . If the offense does indeed make this progress, a first down is achieved, and the team gets 3 or 4 more plays to achieve another 10 yards. If not, the offense loses possession to their opponent at the spot where the ball is. More commonly, however, the team on offense will, if they have a minimal chance of gaining a first down and have only one play left to do it ( fourth down in
10117-488: The ball and how the men on the line were supposed to block . Yale later used visual signals, including adjustments of the captain's knit hat, to call plays. Centers could also signal plays based on the alignment of the ball before the snap. In 1888, however, Princeton University began to have its quarterback call plays using number signals. That system caught on and quarterbacks began to act as directors and organizers of offensive play. Early on, quarterbacks were used in
10268-412: The ball from their opponent. Each team lines up on opposite halves of the field, with a minimum ten yards of space between them for the kickoff. The team receiving the ball can make a fair catch (which stops the play immediately), catch the ball and run it back until the ball carrier is tackled, or, if the ball is kicked out of bounds , let the ball go dead on its own (the last case usually happens when
10419-480: The ball is kicked all the way into or through the opponent's end zone, resulting in a touchback and the ball being brought several yards out of the end zone to begin play). A kicking team can, under special circumstances, attempt to recover its own kick , but the rules of the game make it very difficult to do so reliably, and so this tactic is usually only used as a surprise or desperation maneuver. At this point, play from scrimmage begins. The team in possession of
10570-423: The ball is on offense and the opponent is on defense . The offense is given a set amount of time (up to forty seconds, depending on the governing body), during which the teams can set up a play in a huddle and freely substitute players to set into a formation , in which the offense must remain perfectly still for at least one second (the formation requirement does not apply to Canadian football). At least half of
10721-409: The ball or by a rule unique to football known as the forward pass . In a forward pass, a player from behind the line of scrimmage throws the ball to an eligible receiver (another back or one player on each end of the line), who must catch the ball before it touches the ground. The play stops when a player with the ball touches any part of their body other than hand or foot to the ground, runs out of
10872-506: The ball themselves. This was the primary strategy of the single wing offense which was popular during the early decades of the 20th century. After the growth of the forward pass, the role of the quarterback changed again. The quarterback would later be returned to his role as the primary receiver of the snap after the advent of the T-formation offense, especially under the success of former single wing tailback, and later T-formation quarterback, Sammy Baugh . The requirement to stay behind
11023-447: The ball, or bats, fumbles, kicks or throws the ball backward out of the field of play through the same end zone, the defense scores a safety , worth two points. After a try, safety or field goal, the team that had possession of the ball goes back to the middle of the field and kicks the ball off to their opponent, and play continues as it did in the beginning of the game. Play continues until halftime . (Each team switches their side of
11174-505: The ball; they can be asked to play roles similar to either a defensive lineman (such as stopping the runner on a running play) or a defensive back (such as dropping back into pass coverage). How linebackers play their positions depends on the defensive alignment, the philosophy of the coaching staff, and the particular play the offense may call. Linebackers are divided into middle linebackers, sometimes called inside linebackers, and outside linebackers. The middle linebacker, often called "Mike",
11325-598: The best known form of gridiron football worldwide, while Canadian football , which uses 12 players, predominates in Canada. Other derivative varieties include arena football , flag football and amateur games such as touch and street football . Football is played at professional , collegiate , high school , semi-professional, and amateur levels. These sports originated in the 19th century out of older games related to modern rugby football , more specifically rugby union football. Early on, American and Canadian football developed alongside (but independently from) each other;
11476-421: The boundaries of the field, is obstructed from making further forward progress, or a forward pass hits the ground without being caught (in the last case, the ball returns to the spot it was snapped). To stop play, players on defense are allowed to tackle the ball carrier at any time the ball is in play, provided they do not grab the face mask of the helmet or make helmet-to-helmet contact when doing so. At any time,
11627-408: The box of the defense then they will be pass first players, but if they play inside the box lined up behind the defensive end then they are typically a run player. One of the outside linebackers is usually called into either blitz or pass coverage to make up for the missing defensive back. In the NFL and college football, this alignment is used mainly in short yardage situations or near the goal line. It
11778-404: The college level. Typically, a quarterback with exceptional quickness is used in an option offense, which allows the quarterback to hand the ball off, run it themself or pitch it to a running back shadowing them to the outside. This type of offense forces defenders to commit to the running back up the middle, the quarterback around the end or the running back trailing the quarterback. It is then that
11929-700: The creation of college football . While several American schools adopted rules based on the soccer rules of the English Football Association , Harvard University held to its traditional "carrying game". Meanwhile, McGill University in Montreal used rules based on rugby union . In 1874, Harvard and McGill organized two games using each other's rules. Harvard took a liking to McGill's rugby-style rules and adopted them. In turn, they were used when Harvard and Yale University played their first intercollegiate sports game in 1875, after which
12080-402: The defense is ready to blitz —that is, to send additional defenders across the line of scrimmage in an attempt to tackle the quarterback or short their ability to pass—the quarterback may want to change the play. To do this, the quarterback yells a special code, like "Blue 42" or "Texas 29", which tells the offense to switch to a specific play or formation. Quarterbacks can also " spike " (throw
12231-416: The defense" and is often the defensive leader, since they must be as smart as they are athletic. The middle linebacker (MLB), sometimes known as the "Mike", is the only inside linebacker in the 4–3 scheme. Compared to other positions in gridiron football, the backup quarterback gets considerably less playing time than the starting quarterback. While players at many other positions may rotate in and out during
12382-408: The direct result of a penalty; a defensive foul committed in the team's own end zone, if the penalty is assessed from the spot of the foul, places the ball at the one-yard line. In contrast, a defensive team can score points as a direct result of a penalty; if the offense commits a foul under the same scenario, the defensive team receives two points and a free kick. In all other circumstances (except for
12533-440: The early days of the professional National Football League (NFL), which was founded in 1920, games were largely low-scoring affairs. Two-thirds of all games in the 1920s were shutouts, and quarterbacks/tailbacks usually passed only out of desperation. In addition to a reluctance to risk turnovers by passing, various rules existed that limited the effectiveness of the forward pass: passers were required to drop back five yards behind
12684-441: The end zone and is not returned, whether it be a punt or a missed field goal, is awarded one single point . If the team in possession of the ball, at any time, advances (either by carrying or catching) the ball into the opponent's end zone, it is a touchdown , and the team scores six points and a free play known as a try . In a try, a team attempts to score one or two points (rules vary by each league, but under standard rules,
12835-437: The field with the other halfway through each half, at the end of a quarter.) After the halftime break, a new kickoff occurs. Whichever team has more points at the end of the game is declared the winner; in the event of a tie, each league has its own rules for overtime to break the tie. Because of the nature of the game, pure sudden-death overtimes have been abolished at all levels of the game as of 2012. At all adult levels of
12986-475: The final drive of the game. Teams like these use this situation because of the advantages it gives them against defenses of the other team, so that the defense is unable to adjust to their gameplan. The quarterback position dates to the late 1800s, when American Ivy League schools playing a form of rugby union imported from the United Kingdom began to put their own spin on the game. Walter Camp ,
13137-656: The following year and won. Although Morton played most of the 1972 season due to an injury to Staubach, Staubach took back the starting job when he rallied the Cowboys in a come-from-behind win in the playoffs and Morton was subsequently traded; Staubach and Morton faced each other in Super Bowl XII . Another notable quarterback controversy involved the San Francisco 49ers , who had three capable starters: Joe Montana , Steve Young and Steve Bono . Montana suffered
13288-408: The football at the ground) to stop the official game clock. For example, if a team is down by a field goal with only seconds remaining, a quarterback may spike the ball to prevent the game clock from running out. This usually allows the field goal unit to come onto the field, or attempt a final " Hail Mary pass ". However, if a team is winning, a quarterback can keep the clock running by kneeling after
13439-696: The game clock (the clock stops, for example, after every incomplete pass and any time a ball goes out of bounds), the actual time it takes for a football game to be completed is typically over three hours in the NFL and slightly under three hours in the CFL. According to 2017 study on brains of deceased gridiron football players, 99% of tested brains of NFL players, 88% of CFL players, 64% of semi-professional players, 91% of college football players, and 21% of high school football players had various stages of chronic traumatic encephalopathy (CTE). Other common injuries include injuries of legs, arms and lower back. Quarterback The quarterback ( QB )
13590-414: The game, a game is 60 timed minutes in length, split into four 15-minute quarters. (High school football uses 12-minute quarters, and the general rule is that the younger the players, the shorter the quarters typically are.) Because of the halftime, quarter breaks, time-outs, the minute warnings ( two minutes before the end of a half in the NFL , three minutes in Canadian football ), and frequent stoppages of
13741-486: The gap that they are supposed to so that they can make a play if it comes to them. Also, these inside line backers are often called on a blitz which is when no matter what the offense does, as soon as that ball is snapped they are shooting their gap and trying to get into the back field to make a play as fast as possible. Outside line backers sometimes are considered to be pass players before they are run players. But that depends on where they are lined up, if they are outside of
13892-528: The gaps between offensive linemen. One player, usually the quarterback, would call signals indicating which player was to run the ball and which gap he would run toward. Playcalling (or any other kind of coaching from the sidelines) was not permitted during this period, leaving the quarterback to devise the offensive strategy (often, the quarterback doubled as head coach during this era). Substitutions were limited and quarterbacks often played on both offense and defense. Between 1933 and 1945, numerous changes for
14043-480: The ground to the quarterback between his legs. The following year, a rule change officially made snapping the ball using the hands between the legs legal. Several years later, Amos Alonzo Stagg at the University of Chicago invented the lift-up snap: the center passed the ball off the ground and between his legs to a standing quarterback. A similar set of changes were later adopted in Canadian football as part of
14194-450: The importance of a mobile quarterback has been redefined. While arm power, accuracy, and pocket presence—the ability to successfully operate from within the "pocket" formed by his blockers—are still the most important quarterback virtues, the ability to elude or run past defenders creates an additional threat that allows greater flexibility in a team's passing and running game. Dual-threat quarterbacks have historically been more prolific at
14345-460: The innovations in American football. Over the years, the sport adopted more Americanized rules, though it retained some of its historical features, including a 110-yard (100 m) field, 12-player teams, and three downs instead of four. Around the same time Camp devised the rules for American football, the Canadian game would develop in the same way (but separately) from the American game; the Burnside rules were instrumental in establishing many of
14496-443: The last team to field a black starting QB during an NFL season when Geno Smith filled in for Eli Manning in 2017. During the 2013 NFL season, 67 percent of NFL players were African American yet only 17 percent of quarterbacks were; 82 percent of quarterbacks were white, with just one percent of quarterbacks from other races. Since the inception of the game, only three quarterbacks with known black ancestry have led their team to
14647-540: The league to adopt variations on the T-formation, including the Philadelphia Eagles , Cleveland Rams and Detroit Lions . Baugh and the Redskins converted to the T-formation and continued to succeed. Thanks in part to the emergence of the T-formation and changes in the rulebooks to liberalize the passing game, passing from the quarterback position became more common in the 1940s and as teams switched to
14798-435: The line of scrimmage and are lined up with the offensive guard. The inside line backers are often more of a run player so they will defend the run before they will the pass. These line backers will be reading the offensive guard so they know what to do, so if the guard sets up to pass block the line backers know to get into their zone in order to cover the pass. If the guard come out for a run play they know that they need to fill
14949-511: The line of scrimmage before the snap to confuse defenses. These changes were picked up by Chicago Bears coach George Halas , a close friend of Shaughnessy, and they quickly caught on in the professional ranks. Utilizing the T-formation and led by quarterback Sid Luckman , the Bears reached the NFL championship game in 1940 and beat the Redskins by a score of 73–0. The blowout led other teams across
15100-460: The line of scrimmage before they could attempt a pass, and incomplete passes in the end zone resulted in a change of possession and a touchback . Additionally, the rules required the ball to be snapped from the location on the field where it was ruled dead; if a play ended with a player going out of bounds, the center had to snap the ball from the sideline, an awkward place to start a play. Despite these constraints, player-coach Curly Lambeau of
15251-405: The line of scrimmage was soon rescinded, but it was later reimposed in six-man football . The exchange between the person snapping the ball, typically the center , and the quarterback was initially an awkward one because it involved a kick. At first, centers gave the ball a small boot, and then picked it up and handed it to the quarterback. By 1889, Yale center Bert Hanson was bouncing the ball on
15402-422: The linebacker on the strongside is called "Sam", while the linebacker on the weakside is called "Will". The outside linebacker's job is to cover the end to make sure a run does not escape and to watch the pass and protect from it. The middle linebacker's job is to stop runs between the tackles and watch the entire field to see the play develop. On pass plays, the linebackers' responsibilities vary based upon whether
15553-411: The majority of the highest-paid players in the NFL are quarterbacks, and teams often use their top draft picks to select a quarterback. Bleacher Report describes the signing of a starting quarterback as a catch-22 , where " NFL teams cannot maintain success without excellent quarterback play. But excellent quarterback play is usually so expensive that it prevents NFL teams from maintaining success";
15704-410: The most impactful defensive players, such as Pro Football Hall of Fame members Chuck Bednarik , Dick Butkus , Jack Lambert , Ray Lewis , Ray Nitschke , Mike Singletary , Brian Urlacher , and Lawrence Taylor , were linebackers. Before the advent of the two-platoon system with separate units for offense and defense, the player who was the team's center on offense was often, though not always,
15855-427: The nose tackle, who plays over the offensive center, must be able to hold ground and to occupy several offensive blockers to allow the linebackers to make plays. The focus of the 3–4 defensive line is to occupy offensive linemen thus freeing the linebackers to tackle the running back or to rush the passer or otherwise drop into pass coverage. The primary responsibilities for both outside linebackers are typically to stop
16006-413: The offense will run. Some teams use an offensive coordinator , an assistant coach whose duties include offensive game-planning and often play-calling. In the NFL, coaches are allowed to communicate with quarterbacks and call plays using audio equipment built into the player's helmet. Quarterbacks are allowed to hear, but not talk to, their coaches until there are fifteen seconds left on the play clock. Once
16157-400: The offensive line to gain a small amount of yardage, but there is still an emphasis on being mobile enough to escape a heavy pass rush . Historically, high-profile dual-threat quarterbacks in the NFL were uncommon—among the notable exceptions were Steve Young and John Elway , who led their teams to one and five Super Bowl appearances respectively; and Michael Vick , whose rushing ability was
16308-421: The open-ended and extremely rare unfair act clause), a penalty cannot exceed more than half the distance to the end zone. If the penalty would be less advantageous than the result of the actual play, then the team not committing the penalty can decline it. In order to keep play moving, the offense must make a certain amount of progress (10 yards in most leagues) within a certain number of plays (3 in Canada, 4 in
16459-412: The organization plays all of its international competitions under American rules, it uses a definition of the game that is broad enough that it includes Canadian football under its umbrella, and Football Canada (the governing body for Canadian football) is an IFAF member. The sport is typically known as simply "football" in the countries where it originated, regardless of the specific variety. In Europe
16610-427: The play before the ball is snapped, a five-yard penalty), holding (the grabbing of a player other than the ball carrier to obstruct their progress; a ten-yard penalty against offensive players and a five-yard penalty against defensive ones), and pass interference (when either a receiver or the defending player pushes or blocks the other to prevent them from catching the pass). A team on offense cannot score points as
16761-481: The play from the backside, so the ability to maneuver through traffic is a necessity for the Will. The Will usually aligns off the line of scrimmage at the same depth as Mike. Because of his position on the weakside, the Will does not often have to face large interior linemen one on one unless one is pulling. In coverage, the Will often covers the back that attacks his side of the field first in man coverage, while covering
16912-445: The play, then the results of the previous play are erased and a penalty is assessed, forcing the offending team to surrender between five and fifteen yards of field to the opponent. Whether this yardage is measured from the original spot of the ball before the play, the spot of the illegal action, or the end of the play depends on the individual foul. The most common penalties include false start (when an offensive player jumps to begin
17063-498: The player with the ball can attempt a backward, or lateral, pass to any other player in order to keep the ball in play; this is generally rare. Any player on defense can, at any time, attempt to intercept a forward pass in flight, at which point the team gains possession; they can also gain possession by recovering a fumble or stripping the ball away from the ball carrier (a "forced fumble"). A typical play can last between five and twenty seconds. If any illegal action happens during
17214-408: The players (seven in standard American and Canadian football, four in standard indoor ball) on the offense must line up on the line of scrimmage in this formation, including the snapper, who handles the ball before play commences; the rest can (and almost always do) line up behind the line. Neither the offense nor the defense can cross the line of scrimmage before the play commences. Once the formation
17365-418: The quarter-back and shall not rush forward with the ball under penalty of foul. In the primary formation of Camp's time, there were four "back" positions, with the tailback playing furthest back, followed by the fullback, the halfback, and the quarterback closest to the line. As the quarterback was not allowed to run past the line of scrimmage, and the forward pass had not yet been invented, their primary role
17516-415: The quarterback as a passing threat, boosted by rules changes in 1978 and 1979 that made it a penalty for defensive backs to interfere with receivers downfield and allowed offensive linemen to pass-block using their arms and open hands; the rules had limited them to blocking with their hands held to their chests. Average passing yards per game rose from 283.3 in 1977 to 408.7 in 1979. The NFL continues to be
17667-407: The quarterback has the "option" to identify which matchup is most favorable to the offense as the play unfolds and exploit that defensive weakness. In the college game, many schools employ several plays that are designed for the quarterback to run with the ball. This is much less common in professional football, except for a quarterback sneak , a play that involves the quarterback diving forward behind
17818-413: The quarterback has. Everything else is secondary". "An argument can be made that quarterback is the most influential position in team sports, considering he touches the ball on virtually every offensive play of a far shorter season than baseball, basketball or hockey—a season in which every game is vitally important". Most consistently successful NFL teams (for instance, multiple Super Bowl appearances within
17969-499: The quarterback lines up out wide, the quarterback can be used as a receiving target or a blocker. A more rare use for a quarterback is to punt the ball themself, a play known as a quick kick . Denver Broncos quarterback John Elway was known to perform quick kicks occasionally, typically when the Broncos were facing a third-and-long situation. Philadelphia Eagles quarterback Randall Cunningham , an All-America punter in college,
18120-484: The quarterback position were applied. The rule requiring a quarterback/tailback to be five yards behind the line of scrimmage to pass was abolished, and hash marks were added to the field that established a limited zone between which the ball was placed before snaps, making offensive formations more flexible. Additionally, incomplete passes in the end zone were no longer counted as turnovers and touchbacks. The single-wing continued to be in wide use throughout this, and
18271-426: The quarterback receives the call, he may relay it to other players via signals or in a huddle . Dallas Cowboys head coach Tom Landry was an early advocate of taking play calling out of the quarterback's hands. Although this remained a common practice in the NFL through the 1970s, fewer QBs were doing it by the 1980s and even Hall of Famers like Joe Montana did not call their own plays. Buffalo Bills QB Jim Kelly
18422-459: The rest of the team, and in the NFL he is usually the defensive player with the electronic sideline communicator. A jack-of-all-trades , the middle linebacker can be asked to blitz (though they often blitz less than the outside linebacker), cover, spy the quarterback , or even have a deep middle-of-the-field responsibility in the Tampa 2 defense. In standard defenses, middle linebackers commonly lead
18573-427: The root of the game known as "football" today originates with an 1874 game between Harvard and McGill Universities , following which the American school adopted the Canadian school's more rugby-like rules. Over time, Canadian teams adopted features of the American variant of the game and vice versa. Both varieties are distinguished from other football sports by their use of hard plastic helmets and shoulder pads ,
18724-414: The rugby-style Canadian game was adopted by Yale players and spectators from Yale and Princeton University . This version of the game was subsequently played with several other U.S. colleges over the next several years. American football teams and organizations subsequently adopted new rules which distinguished the game from rugby. Many of these early innovations were the work of Walter Camp , including
18875-436: The rules for the modern game. The best NFL players are among the highest paid athletes in the world. This is a minimal description of the game in general, with elements common to all or almost all variants of the game. For more specific rules, see each code's individual articles. Prior to the start of a game, a coin toss determines which team will decide if they want to kick off the ball to their opponent, or receive
19026-408: The run and rush the quarterback in passing situations, where they line in front of the tackles like true defensive ends. The outside linebackers in a 3–4 defense must be very skilled at rushing the quarterback, and would be playing defensive end in a 4–3 defense. Among inside linebackers, one is generally a run-stuffer who is better able to handle offensive linemen and stop running backs, while the other
19177-439: The sideline, from the line of scrimmage down about ten yards. John Alexander is the first person to have played outside linebacker in the NFL. The strongside linebacker (SLB) is often nicknamed the "Sam" for purposes of calling a blitz . Since the strong side of the offensive team is the side on which the tight end lines up, or whichever side contains the most personnel, the strongside linebacker usually lines up across from
19328-421: The single-wing, an unbalanced power formation where four linemen lined up to one side of the center and two lined up to the other. The tailback was the focus of the offense, and was often a triple-threat man who would either pass, run or kick the ball. Offensive play calling continued to focus on rushing up through the 1920s, when professional leagues began to challenge the popularity of college football. In
19479-454: The single-wing, the quarterback was positioned behind the line of scrimmage and was flanked by a tailback , fullback and wingback . He served largely as a blocking back; the tailback typically took the snap, either running forward with the ball or making a lateral pass to one of the other players in the backfield. The quarterback's job was usually to make blocks upfield to help the tailback or fullback gain yards. Passing plays were rare in
19630-410: The snap. This is normally done when the opposing team has no timeouts and there is little time left in the game, as it allows a team to burn up the remaining time on the clock without risking a turnover or injury. A dual-threat quarterback possesses the skills and physique to run with the ball if necessary. With the rise of several blitz-heavy defensive schemes and increasingly faster defensive players,
19781-413: The sport is commonly known as "American football". Various sources use the term "North American football" when discussing the American and Canadian games together, but this term is quite rare. The two sports are also sometimes known as "gridiron football". The name originated with the sport's once-characteristic playing field : the original American football and Canadian football fields were marked by
19932-412: The sport's line of scrimmage and the system of downs . Another consequential change was the adoption of the forward pass in 1906, which allowed the quarterback to throw the ball forward over the line of scrimmage to a receiver. Canadian football remained akin to rugby for decades, though a progressive faction of players, chiefly based in the western provinces , demanded changes to the game based on
20083-407: The starting quarterback has usually been one of the team captains as the leader of the team's offense. In the NFL, while the starting quarterback has no other responsibility or authority, they may, depending on the league or individual team, have various informal duties, such as participation in pre-game ceremonies, the coin toss or other events outside the game. For instance, the starting quarterback
20234-449: The strongside and weakside designations below. They are also responsible for blitzing the quarterback. Not only is the OLB responsible for outside containment and blitzing the QB, but they also have to perform pass coverage in the flats – sometimes called a drop. Outside linebackers pass coverages covers quick slants outside, in curls in the flats. The "flats" are the edge of the field closest to
20385-466: The team has been eliminated from the postseason , or the playoff seeding cannot be affected), in order to ensure the starting quarterback does not needlessly risk an injury. Backup quarterbacks typically have the career of a journeyman quarterback and have short stints with multiple teams, a notable exception being Frank Reich , who backed up Jim Kelly for nine years with the Buffalo Bills in
20536-418: The team in tackles. The terms middle and inside linebacker are often used interchangeably; they are also used to distinguish between a single middle linebacker playing in a 4–3 defense , and two inside linebackers playing in a 3–4 defense . In a 3–4 defense, the larger, more run-stopping-oriented linebacker is usually still called "Mike", while the smaller, more pass protection/route coverage-oriented player
20687-468: The team to give him the starting job; Rodgers would himself encounter a similar situation in 2020 when the Packers drafted quarterback Jordan Love . Similarly, Patrick Mahomes was selected by the Kansas City Chiefs to eventually supplant Alex Smith , with the latter willingly serving as a mentor. In addition to their main role, quarterbacks are occasionally used in other roles. Most teams utilize
20838-401: The team will run. However, when there is not much time left, or when an offense simply wants to increase the tempo of their plays, teams will forgo the huddle and the quarterback may call plays while the other offensive players get into position or at the line of scrimmage. After the team is lined up, the center will pass the ball back to the quarterback (a process called the snap ). Usually on
20989-565: The team's linebacker on defense. Hence, in contemporary football, one usually sees four defensive linemen to the offense's five or more. Most sources claim coach Fielding H. Yost and center Germany Schulz of the Michigan invented the position. Schulz was Yost's first linebacker in 1904 when he stood up from his usual position on the line. Yost was horrified at first, but came to see the wisdom in Schulz's innovation. William Dunn of Penn State
21140-435: The team's punter for several seasons—a double duty he performed to All-American standard at Arizona State University . White also had two touchdown receptions as a Dallas Cowboy, both from the halfback option . If quarterbacks are uncomfortable with the formation the defense is using, they may call an audible change to their play. For example, if a quarterback receives the call to execute a running play, but they notice that
21291-415: The three interior defensive linemen. This can also take away the ability of the offense to pull the guards on a running play, because this would leave one of the defenders unblocked, or, at best, give another lineman a very difficult block to make on one of the defenders. The safety, like the linebacker, can blitz, play man-on-man, play zone, or drop back into deep coverage like a normal safety would do. The 46
21442-410: The tight end in man on man situations. He should also have considerable quickness to read and get into coverage in zone situations. The weakside linebacker (WLB), or the "Will" in 4–3 defense, sometimes called the backside linebacker, or "Buck", as well as other names like Jack or Bandit, must be the fastest of the three, because he is often the one called into pass coverage. He is also usually chasing
21593-437: The tight end. Often the strongside linebacker will be called upon to tackle the running back on a play because the back will be following the tight end's block. He is most often the strongest linebacker; at the least he possesses the ability to withstand, shed, and fight off blocks from a tight end or fullback blocking the backside of a pass play. The linebacker should also have strong safety abilities in pass situation to cover
21744-441: The two-quarterback system; West Georgia, for example, uses the system due to the skillsets of its quarterbacks. As recently as 2020, Oregon, who had two quarterbacks capable of starting (Boston College transfer Anthony Brown and sophomore Tyler Shough ), utilized a similar tactic in the 2020 Pac-12 Football Championship Game , giving Shough the start but inserting the dual-threat Brown on short-yardage plays, red zone situations and
21895-464: The weak flat in Texas Loop or hooks/curl areas in zone coverage. The number of linebackers is dependent upon the formation called for in the play; formations can call for as few as none, or as many as seven. Most defensive schemes call for three or four, which are generally named for the number of linemen, followed by the number of linebackers (with the 46 defense being an exception). For example,
22046-430: Was also known to punt the ball occasionally, and was assigned as the team's default punter for certain situations, such as when the team was backed up inside their own five-yard line. As Roger Staubach 's backup, Dallas Cowboys quarterback Danny White was also the team's punter , opening strategic possibilities for coach Tom Landry. Ascending to the starting role upon Staubach's retirement, White held his position as
22197-412: Was another Western Conference linebacker soon after Schulz. However, there are various historical claims tied to the linebacker position, including some before 1904. For example, Percy Given of Georgetown is another center with a claim to the title "first linebacker," supposedly standing up behind the line well before Schulz in a game against Navy in 1902. Other sources have the first linebacker in
22348-541: Was later converted to wide receiver. James Harris started several games for the Buffalo Bills after the AFL-NFL merger, and later started games for the Los Angeles Rams . Other early NFL black starting quarterbacks include Joe Gilliam of the Pittsburgh Steelers , who was the first black quarterback to start a season for any NFL team; though he was benched after the first six games. The New York Giants became
22499-496: Was one of the last to regularly call plays. Peyton Manning , formerly of the Indianapolis Colts and Denver Broncos, was the best modern example of a quarterback who called his own plays, primary using an uptempo, no-huddle-based attack. Manning had almost complete control over the offense. Former Baltimore Ravens quarterback Joe Flacco retained a high degree of control over the offense as well, particularly when running
22650-595: Was succeeded by Bono as the Chiefs' starting quarterback. Teams will often bring in a capable backup quarterback via the draft or a trade, as competition or potential replacement which would certainly threaten the starting quarterback's place in the team (see Two-quarterback system below). For instance, Drew Brees began his career with the San Diego Chargers but the team also drafted Philip Rivers ; despite Brees initially retaining his starting job and being
22801-402: Was to receive the snap from the center, and immediately hand or toss the ball backwards to the fullback or halfback to run. By the early 1900s, their role had been further reduced, as teams began to employ longer, direct snaps to one of the other backs (who by rule were allowed to run) and the quarterback became the primary "blocking back", leading the way through the defense but rarely carrying
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