Steelers four-time All-Pro Polamalu retires
Steelers legend Troy Polamalu vows to be back in Pittsburgh this season
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Late For Work 4/10: Reaction To Troy Polamalu's Retirement
Troy Polamalu says retirement after 12 years at age 33 is significant because of Jesus and His apostles
Troy Polamalu, one of greatest athletes ever from an Oregon high school, retires after 12 NFL seasons
Steelers safety, 8-time Pro Bowler Troy Polamalu retires
Troy Polamalu retires from the NFL
Retiring safety Troy Polamalu was the most important Steeler of the last decade