The quarterback (QB) 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 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".
The shotgun formation is a formation used by the offensive team in gridiron football mainly for passing plays, although some teams use it as their base formation. Instead of the quarterback receiving the snap from center at the line of scrimmage, in the shotgun he stands further back, often five to seven yards off the line. Sometimes the quarterback will have a back on one or both sides before the snap, while other times he will be the lone player in the backfield with everyone spread out as receivers.
In American and Canadian football, a single-wing formation was a precursor to the modern spread or shotgun formation. The term usually connotes formations in which the snap is tossed rather than handed. Formations with one wingback and a handed snap are commonly called "wing T" or "winged T".
Strategy plays a crucial role in American football. Both teams carefully plan various aspects of their gameplay in an effort to win. This includes deciding on formations, selecting players for specific positions, and assigning roles and instructions to each player on offense and defense.
An option offense is an American football offensive system in which a key player has several "options" of how each play will proceed based upon the actions of the defense. Traditionally, option-based offenses rely on running plays, though most mix in forward passes from an option formation as a change of pace. A successful option-based offense can keep possession of the ball for long periods of time, giving the opposing offense fewer possessions and keeping the option team's defense rested. However, because passing is often not a strength of the system, it can be difficult for option-based offenses to come back from a large deficit or to score quickly when needed.
American football positions have slowly evolved over the history of the sport. From its origins in early rugby football to the modern game, the names and roles of various positions have changed greatly, some positions no longer exist, and others have been created to fill new roles.
A formation in American football refers to the position players line up in before the start of a down. There are both offensive and defensive formations and many in both categories. Sometimes, formations are referred to as packages.
Center or centre (C) is a position in American football. The center is the innermost lineman of the offensive line on a football team's offense who passes the ball between his legs to the quarterback at the start of each play.
In American football, a T formation is a formation used by the offensive team in which three running backs line up in a row about five yards behind the quarterback, forming the shape of a "T".
In American football, the specific role that a player takes on the field is referred to as their "position". Under the modern rules of American football, both teams are allowed 11 players on the field at one time and have "unlimited free substitutions", meaning that they may change any number of players during any "dead ball" situation. This has resulted in the development of three task-specific "platoons" of players within any single team: the offense, the defense, and "special teams". Within these three separate "platoons", various positions exist depending on the jobs that the players are doing.
The split-T is an offensive formation in American football that was popular in the 1940s and 1950s. Developed by Missouri Tigers head coach Don Faurot as a variation on the T formation, the split-T was first used in the 1941 season and allowed the Tigers to win all but their season-opening match against the Ohio State Buckeyes and the 1942 Sugar Bowl versus Fordham. Jim Tatum and Bud Wilkinson, who coached under Faurot with the Iowa Pre-Flight Seahawks during World War II, brought the split-T to the Oklahoma Sooners in 1946. After Tatum left for Maryland in 1947, Wilkinson became the head coach and went on to win a record-setting 47 straight games and two national titles between 1953 and 1957.
The spread offense is an offensive scheme in gridiron football that typically places the quarterback in the shotgun formation, and "spreads" the offense horizontally using three-, four-, and even five-receiver sets. Used at every level of the game including professional, college, and high school programs across the US and Canada, spread offenses often employ a no-huddle approach. Some implementations of the spread also feature wide splits between the offensive linemen.
A fullback (FB) is a position in the offensive backfield in gridiron football and is one of the two running back positions along with the halfback. Fullbacks are typically larger than halfbacks, and, in most offensive schemes, the fullback's duties are split among power running, pass catching, and blocking for both the quarterback and the other running back.
John Thurman "Red" Cochran Jr. was an American football cornerback and later an assistant coach and scout in the National Football League (NFL). He played college football at Wake Forest University.
The A-11 offense is an offensive scheme that has been used in some levels of amateur American football. In this offense, a loophole in the rules governing kicking formations is used to disguise which offensive players would be eligible to receive a pass for any given play. It was designed by Kurt Bryan and Steve Humphries of Piedmont High School in California.
The following terms are used in American football, both conventional and indoor. Some of these terms are also in use in Canadian football; for a list of terms unique to that code, see Glossary of Canadian football.
Wildcat formation is a formation for the offense in football in which the ball is snapped not to the quarterback but directly to a player of another position lined up at the quarterback position. The wildcat features an unbalanced offensive line and looks to the defense like a sweep behind zone blocking. A player moves across the formation prior to the snap. However, once this player crosses the position of the running back who will receive the snap, the play develops unlike the sweep.
In American football, the 4–4 defense is a defensive alignment consisting of four down linemen and four linebackers.
In American football, the 6–2 defense is a defensive alignment consisting of six down linemen and two linebackers.
