Pittsburgh Steelers strong safety Troy Polamalu (43) runs through the Steelers players before the start of the game against the Tennessee Titans at Heinz Field in Pittsburgh on September 8, 2013. UPI/Archie
Pittsburgh Steelers strong safety Troy Polamalu (43) runs through the Steelers players before the start of the game against the Tennessee Titans at Heinz Field in Pittsburgh on September 8, 2013. UPI/Archie
Pittsburgh Steelers Troy Polamalu walks the sidelines during the pre-season game against the Carolina Panthers at Heinz Field in Pittsburgh on August 30, 2012. UPI/Archie Carpenter Stock Photo - Alamy
Pittsburgh steelers safety troy polamalu hi-res stock photography and images - Alamy
Pittsburgh steelers safety troy polamalu hi-res stock photography and images - Alamy
Pittsburgh Steelers Troy Polamalu runs back a interception during the first quarter against the New York Jets at Heinz Field in Pittsburgh Pennsylvania, on December 12, 2004. (UPI Photo/Stephen M. Gross Stock
Pittsburgh steelers safety troy polamalu hi-res stock photography and images - Alamy
Pittsburgh steelers safety troy polamalu hi-res stock photography and images - Alamy
Pittsburgh steelers safety troy polamalu hi-res stock photography and images - Alamy
Pittsburgh steelers safety troy polamalu hi-res stock photography and images - Alamy
Pittsburgh Steelers Troy Polamalu runs back a interception during the first quarter against the New York Jets at Heinz Field in Pittsburgh Pennsylvania, on December 12, 2004. (UPI Photo/Stephen M. Gross Stock
Pittsburgh steelers safety troy polamalu hi-res stock photography and images - Alamy
Pittsburgh steelers safety troy polamalu hi-res stock photography and images - Alamy