FLORHAM PARK, N.J. (AP) New York Jets linebacker David Harris has what coach Todd Bowles calls a ''bad shoulder bruise'' and his status for the regular-season opener is uncertain.

Harris was injured just before halftime of the Jets' 21-20 loss to the Giants on Saturday night. An MRI on the shoulder Sunday revealed no structural damage and X-rays were negative.

The Jets open the season against Cincinnati on Sept. 11, giving Harris some time to rest and recover. The 32-year-old linebacker is considered one of the leaders of Todd Bowles' defense.

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Wide receiver Brandon Marshall (hip) was among several players who didn't practice Monday.

Defensive end Muhammad Wilkerson was given a rest day after playing for the first time since breaking his leg in the regular-season finale last December.

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AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL