Polamalu inactive for Dolphins game (AP)
 

Pittsburgh Steelers safety Troy Polamalu is inactive for their game against the Miami Dolphins. Polamalu practiced in a limited role this week for the first time in seven weeks. He has missed 11 full games and most of two others with a pair of left knee injuries. He hasn't played since Nov. 15 against Cincinnati because of a sprained posterior cruciate ligament.

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