The Steelers wrapped up practice preparations on Friday for the AFC Championship game on Sunday versus the Baltimore Ravens. The Steelers also released the Friday official injury report. C Justin Hartwig (knee) and S Troy Polamalu (calf) both practiced fully on Friday without limitations and are officially listed as probable. 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 practiced again fully on Friday for a second straight day after being given Wednesday off. None of the four are listed on the injury report. the Steelers will hold a walk through on Saturday.