Pittsburgh Steelers safety Troy Polamalu says he's retiring after 12 seasons, NFL
698 Pittsburgh Steelers Safety Troy Polamalu Stock Photos, High-Res Pictures, and Images - Getty Images
04-11-15 Edition, PDF, Houthis
Pittsburgh Steelers Troy Polumalu a mad man on field - Sports Illustrated
Troy Polamalu of Pittsburgh Steelers is retiring - ESPN
Veteran Steelers safety Troy Polamalu retires from NFL, Local Sports
Steelers safety Polamalu retiring after 12 seasons in NFL, Football
Pittsburgh steelers safety troy polamalu hi-res stock photography and images - Alamy
Troy Polamalu retires: Steelers safety retires after 12 seasons - Sports Illustrated
Troy Polamalu had been avoiding the Steelers since his retirement until now