The Steelers practiced again on Thursday in preparations for the AFC Championship game this Sunday versus the Baltimore Ravens. S Troy Polamalu (calf) practiced fully on Thursday after sitting out yesterday. C Justin Hartwig (knee) practiced on a limited basis after also missing Wednesday. As expected, 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 fully on Thursday after getting a day off yesterday.
