Steelers put Troy Polamalu on reserve/retired list - NBC Sports
Steelers' Troy Polamalu retires after 12 seasons in the NFL
Ryan Clark (American football) - Wikipedia
Pittsburgh Steelers legend Polamalu retires from NFL
Steelers' Polamalu retires after storied career
Former Steelers Safety Retires
Update: Steelers safety Troy Polamalu tells newspaper he is
Steelers QB Kenny Pickett leaves loss against Texans after
Troy Polamalu decides to retire after 12-year career
Retirement of Steelers safety Troy Polamalu signifies the end of
Ex-Ohio State safety Malcolm Jenkins retires after 13-year NFL career
Colloquium to feature Pittsburgh Steelers security director
Steelers' Ryan Shazier retires from NFL after severe spinal injury