The Pittsburgh Steelers might not have to wonder any longer how much better they would be if they had star safety Troy Polamalu.
Polamalu is expected to practice on a limited basis Wednesday for the first time since tearing the medial collateral ligament in his left knee Sept. 10 against Tennessee -- an injury that potentially could have sidelined him until midseason.
Polamalu, a five-time Pro Bowl player, will wear a brace on the knee. He must show the Steelers' medical staff that he can stop and start and change directions before he plays again, but he has not been ruled out of Sunday's game at Detroit.
So far, Polamalu has missed three games, or the minimum amount expected after Titans tight end Alge Crumpler fell on his knee during a blocked field goal attempt.
"Troy's been doing well and progressing well," coach Mike Tomlin said Tuesday.
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