Quinn inactive for Chiefs; Polamalu for Steelers
The Steelers made safety Troy Polamalu inactive for the fifth straight game due to a right calf injury. Wide receiver Antonio Brown also is out after injuring his ankle in last week's victory over the New York Giants.
Running back Rashard Mendenhall, who hasn't played since straining his right Achilles tendon against Tennessee on Oct. 11, right tackle Marcus Gilbert (ankle) and linebacker Stevenson Sylvester (hamstring) also are on Pittsburgh's inactive list.
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