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Quarterback keeper
A quarterback keeper or keeper in American football is a designed play in which the quarterback does not pass or hand off the ball to another player and instead rushes forward with it in an effort to gain yardage. The play typically is run in instances where only a few yards are needed to gain a first down or touchdown, due to the threat of injury to the quarterback and most quarterbacks' ineffectiveness at running the ball when compared with a running back or fullback. This play differs from a quarterback scramble in that a scramble is an improvised play, while the keeper is a designed running play.
== References ==
* (Definition of a quarterback keeper ), definitions of running plays
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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