NFL notes: Troy Polamalu makes it official, retires after 12-year
Steelers safety, 8-time Pro Bowler Troy Polamalu retires
Longtime Steelers safety Troy Polamalu retires after 12 seasons
Troy Polamalu retires after 12 seasons with Steelers
Steelers legend Troy Polamalu vows to be back in Pittsburgh this
Steelers safety Troy Polamalu retires
On this day in 2015, Troy Polamalu retired after 12 seasons with
Steelers great Troy Polamalu donates gift cards to furloughed
Steelers four-time All-Pro Polamalu retires