PITTSBURGH, May 23 (UPI) -- Tight end Heath Miller, at a Pittsburgh Steelers' organized team activity, said he has does not know when he will play again.
Miller, 31, injured all three ligaments in his right knee in the Steelers' 15th game of 2012, and had surgery on two of them, allowing the posterior cruciate ligament to heal naturally, the Pittsburgh Post-Gazette reported Thursday.