Chiefs' Donnie Avery is a healthy scratch again, Steelers' Troy Polamalu is out - Arrowhead Pride
Troy Polamalu retires from NFL after 12 seasons at Pittsburgh Steelers, NFL
Steelers Safeties Ryan Clark And Troy Polamalu Were Terrified Larry Fitzgerald Would Moss Them To Lose Super Bowl 43
T.J. Watt should win his first Defensive Player of the Year award - Behind the Steel Curtain
Troy Polamalu Named AFC Defensive Player of the Week for Week 17 - Behind the Steel Curtain
Troy Polamalu on playing defense in today's NFL: Its requires so much more of a skillset
Associated Press NFL Defensive Player of the Year Award - Wikipedia
Fa'a Samoa: Troy Polamalu's love for Samoan heritage will be his enduring legacy
Source: Polamalu Had Issues With Tomlin - Steel City Blitz