Browns nose tackle Shaun Rogers was carted off with what was announced as an ankle injury with 3:31 remaining in Sunday's game at Cincinnati.
The three-time Pro Bowler was rolled up on from behind on a Bengals running play. Browns coach Eric Mangini and several teammates came off the bench to console Rogers, who was holding his left leg and appeared to be in serious pain as he departed.
Rogers marked the fourth Browns starter lost on defense during the game. Free safety Brodney Pool went to the locker room with 7:07 left in the third quarter with what was announced as a head injury. Defensive end Kenyon Coleman left with 3:13 left in the second quarter with a knee injury. Outside linebacker Kamerion Wimbley went down with 1:48 to play and gingerly walked off the field with a knee injury.
Pool has suffered at least four concussions during his five years in Cleveland and another could be career-threatening. Hank Poteat took over for Pool and receiver Mike Furrey also played some at safety.
Pool followed defensive end Kenyon Coleman. Coleman went down on a 2-yard run by Bengals rookie Bernard Scott. C.J. Mosley got more time at left end in place of Coleman.