Pittsburgh Steelers safety Troy Polamalu has gone to the locker room with a left knee injury following Cincinnati's opening drive. The team said his return to the game was doubtful.
It was not immediately certain when Polamalu was injured.
The Washington Redskins are doing an about-face on preventing fans from bringing any signs to home games.
The Redskins issued a news release about 2 1/2 hours before Sunday's game against the visiting Denver Broncos to say they "revised" their stadi