James Harrison (back) expected to play

PITTSBURGH -- Already expected to be without LaMarr Woodley for Sunday's game in Kansas City, the Pittsburgh Steelers have added All-Pro linebacker James Harrison to their injury report Friday.

Harrison was a limited participant due to a back that underwent two surgeries this offseason. Unlike Woodley, Harrison is listed as probable against the Chiefs and is expected to play.

Harrison missed four October games with a broken orbital bone, but returned with three sacks and a forced fumble in a loss to Baltimore three weeks ago.

Woodley has missed the past two games with a hamstring injury and has been limited in practice all week. He's officially listed as questionable for Sunday.