Steelers safety Troy Polamalu retires after 12-year career
Troy Polamalu retires after 12 seasons with Steelers
Troy Polamalu brings curtain down after 12 stellar seasons with
Longtime Steelers safety Troy Polamalu retires after 12 seasons
Pittsburgh Steelers legend Polamalu retires from NFL
Troy Polamalu Officially Retired On This Day Six Years Ago
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Troy Polamalu announces retirement from Steelers after 12 seasons
On this day in 2015, Troy Polamalu retired after 12 seasons with