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Football, also called American Football, is a team sport consisting of two teams each of which can have 11 players on the field at any given time.

Contributors in Football


2012 FIFA U-20 Women's World Cup

Sports; Football

The 2012 FIFA U-20 Women's World Cup is being played in Japan from 19 August to 8 September with sixteen national football soccer teams. It marks the first hosting of a FIFA women's football ...

prevent defense

Sports; Football

A defensive strategy that utilizes deep zone coverage in order to prevent a big pass play from happening downfield, usually at the expense of giving up yards at shorter distances. Often used against ...


Sports; Football

A player position on defense. The linebackers typically play 1 to 3 yards behind the defensive linemen and have both run and pass defense responsibilities. However they are often called on to blitz, ...

strong side

Sports; Football

Definition depends on the offensive formation. When a team uses one tight end, the strong side is the side of the field where the tight end lines up. If the offensive package uses no tight end, or ...

zone defense

Sports; Football

A defense in which players who are in pass coverage cover zones of the field, instead of individual players. Pure zone packages are seldom used; most defenses employ some combination of zone and man ...


Sports; Football

A running play in which the running back will take a step in the opposite direction of the play, only to get the handoff in the other direction. Weak side linemen will sometimes pull and lead the ...

crackback block

Sports; Football

An illegal block delivered below the opponent's waist by an offensive player who had left the area of close line play and then returned to it, or was not within it at the snap. The term is also used ...

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