Troy Polamalu announces retirement from Steelers after 12 seasons
Troy Polamalu, NFL great and Douglas High grad, elected to the Pro Football Hall of Fame
Pittsburgh Steelers S Troy Polamalu retires after 12 seasons - Sports Illustrated
Safeties first: Polamalu, Atwater heading to Hall of Fame
Steelers safety Troy Polamalu retires
Troy Polamalu, American Football Wiki
Former USC safety Troy Polamalu to be inducted into College Football Hall of Fame – Orange County Register
Pittsburgh Steelers safety Troy Polamalu says he's retiring after 12 seasons, NFL
Troy Polamalu has played his last game in a Pittsburgh Steelers uniform: reports
Tomlin: Troy Polamalu is a 'legendary Steeler and man'
Ben Roethlisberger - Wikipedia