Who were the most notable Steelers to wear No. 99? - Behind the Steel Curtain
Pittsburgh Steelers - Wikipedia
PHOTOS: What's in a number? No. 58
Patrick Peterson backtracks jersey number demand in Pittsburgh
Steeler Nation! Complete History of the Pittsburgh Steelers: Fulton, Steve: 9798201728250: : Books
Classic Steelers: The 50 Greatest Games in Pittsburgh Steelers History (Classic Sports): Finoli, David: 9781606351987: : Books
History Of Pittsburgh Steelers Jersey Numbers: Volume Two
Steeler Nation! Complete History of the Pittsburgh Steelers: Fulton, Steve: 9798201728250: : Books
25 most prolific Steelers jersey numbers of all time: Honorable Mention - Behind the Steel Curtain
PHOTOS: What's in a number? No. 58