MIAMI (AP) Miami Dolphins rookie cornerback Xavien Howard has been ruled out of Sunday's game against Tennessee because of a knee injury.

Also ruled out Friday were linebacker Koa Misi (neck) and tight end Jordan Cameron (concussion). Running back Arian Foster (hamstring) is doubtful.

Howard hasn't practiced since hurting his knee in Tuesday's workout. He'll be replaced in the starting lineup by Byron Maxwell, who was benched last week for poor play.

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