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American football positions. A diagram showing an I formation on offense and a 4-3 formation on defense. 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 [1] on the field at one time and have "unlimited free ...
3-deep quarter formation (3–1–7), the most common. The 0–4–7 quarter. Defense consisting of seven (quarter) or eight (half dollar) defensive backs. The seventh defensive back is often an extra safety, and this defense is used in extreme passing situations (such as to defend against a Hail Mary pass).
Early in the history of the National Football League, teams stacked the defensive line of scrimmage with seven linemen, typically using a 7-diamond or the 7-box. [1] With the liberalization of the forward passing rules in 1933, the defenses began to evolve along with the offensive changes, and by the later 1930s, the standard defense in the NFL and college was the 6–2.
Diagram of the Cover 2 defense. In traditional Cover 2 schemes, the free safety (FS) and strong safety (SS) have deep responsibilities, each guarding half of the field. [5] [6] The NFL's Tampa Bay Buccaneers, Indianapolis Colts, Chicago Bears, and New York Giants run a variant of this defense called the Tampa 2.
The 3–4 defense was originally devised by Bud Wilkinson at the University of Oklahoma in the 1940s as the 5–2 Oklahoma defense. The first NFL team to regularly employ the 3–4 was the 1974 New England Patriots under Chuck Fairbanks, who employed the 5–2 for all but one of his six seasons (1967–72) as head coach of the Oklahoma Sooners ...
The 6–2 is a defense that became popular in the 1930s due to the demands of the improving passing attacks of the time. In the early 1930s, pro football's passing rules were liberalized. [1] By the late 1930s, the two standard defenses in college and the NFL were the 6–2 and the 5–3. The 5–3 was regarded as a pass defense, and the 6–2 ...
The three basic defensive positions are: Defensive lineman (DL): Linemen play at the line of scrimmage, directly across from the offensive line. They are categorized as defensive tackles (DT) or defensive ends (DE). The 4-3 defense has 2 tackles and 2 ends; the 3-4 defense has 2 ends and 1 tackle, who is sometimes called a nose tackle (NT) to ...
3–3–5 defense. This version of the 3–3–5 removes a lineman to get the nickelback. This version, usually called the 33 stack or 3–3–5 stack, uses an extra strong safety, and "stacks" linebackers and safeties directly behind the defensive linemen. In American football, the 3–3–5 defense is a defensive alignment consisting of three ...