On Wednesday the Steelers started practice preparations for the week 17 game versus the Cleveland Browns. S Ryan Clark (shoulder), LB James Harrison (hip), RB Willie Parker (not injury related), DE Aaron Smith (not injury related), CB Deshea Townsend (not injury related) and WR Hines Ward (not injury related) all sat out practice. Clark as already been ruled out for this week. QB Ben Roethlisberger (ankle) practiced fully on Wednesday. The Steelers will practice in the late afternoon on Christmas day.