On Thursday the Steelers continued practice preparations for Sunday\’s game versus the Dallas Cowboys. DE Brett Keisel (knee), T Marvel Smith (back) and S Troy Polamalu (calf) all sat out again on Thursday. Keisel and Smith have long been ruled out, while Polamalu looks to return to practice on Friday. DE Travis Kirschke (back), CB Bryant McFadden (forearm), RB Willie Parker (knee, shoulder), QB Ben Roethlisberger (knee) and DE Aaron Smith (knee) all practiced fully on Thursday as expected.
