Pittsburgh Steelers quarterback Ben Roethlisberger left Monday night's victory over the Kansas City Chiefs in the third quarter with a right shoulder injury.

Roethlisberger was sandwiched between a pair of Kansas City defenders on Pittsburgh's opening drive of the second half. He was taken to the locker room immediately and left the stadium to have his throwing shoulder examined.

"Ben has a right shoulder that's being evaluated," Steelers coach Mike Tomlin said after Pittsburgh's 16-13 overtime victory. "I don't know the status of that as I sit here right now."

The nine-year veteran threw for 84 yards and a touchdown on 9-of-18 passing in the first half before leaving the game. He was replaced under center by Byron Leftwich.