One of the two players positioned near the flanks behind the line of scrimmage 中卫在争球线之后靠近侧翼的并列两名队员之一
2.
A new or substitute offensive play called by the quarterback or a defensive formation called by a linebacker at the line of scrimmage as an adjustment to the opposing side ' s formation 改变打法一种在橄榄球争球线上作为就对方阵势的调整,由四分卫发令的新的或替代进攻打法,或由后卫发令的防守阵势