Ravens-Steelers III: Troy Polamalu practices

After resting all week, Pittsburgh Steelers Pro Bowl safety Troy Polamalu (ankle, Achilles) returned to practice on Thursday. He is expected to play in his second consecutive game Saturday against the Baltimore Ravens.

In other injury news, Steelers starting cornerback Bryant McFadden also had full participation for the first time this week. He was limited with a groin injury. Defensive end Aaron Smith (triceps) was the only player limited in practice for Pittsburgh.

For Baltimore, starting center Matt Birk (knee) and cornerback Chris Carr (thigh) both sat out of practice Thursday.