Pittsburgh

Out: LB Chris Carter (hamstring), C Maurkice Pouncey (ankle), WR Emmanuel Sanders (foot)

Questionable: CB Curtis Brown (knee), QB Ben Roethlisberger (ankle)

Probable: T Marcus Gilbert (illness), S Troy Polamalu (hamstring)

San Francisco

Questionable: WR Braylon Edwards (knee), FB Bruce Miller (knee), T Joe Staley (concussion), LB Patrick Willis (hamstring)