The Steelers wrapped up practice preparations on Friday before flying to Tennessee to face the Titans on Sunday. DE Brett Keisel (knee) practiced fully for the third straight day and is listed as questionable on the Friday injury report. There is an outside chance he will be held out to be ready for the playoffs. S Ryan Clark (foot), LB James Harrison (foot), S Troy Polamalu (foot) and LB LaMarr Woodley (knee) all practiced fully again on Friday and are listed as probable. T Marvel Smith (back) remains status quot and is listed as out again this week.