Background: Rupture of the anterior cruciate ligament (ACL) is a common and potentially career-threatening injury in the National Football League (NFL).

背景：前交叉韧带(ACL)撕裂是国家足球联盟(nfl)中球员常见的损伤，并可能危害到其运动生涯。

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When severe twisting of the joint occurs, the most common injury is a rupture of the anterior cruciate ligament.

当联合严重扭曲的发生，最常见的伤害是韧带断裂的前十字。

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Background Injuries to the anterior cruciate ligament are the most common surgically treated knee ligament injury.

前叉韧带损伤是最常见的手术治疗的膝关节韧带损伤。

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Baseball's career saves leader had surgery June 12 to repair a torn anterior cruciate ligament in his right knee, an injury that occurred while he was shagging fly balls during batting practice in Kansas City on May 3.

WSJ: Rivera plans to announce if this is final season

But then came the first serious injury of Revis' career, the torn anterior cruciate ligament in Week 3 that ended his season and likely his tenure with the Jets.

NPR: AP Source: Jets Allow Revis To Meet With Bucs