2012 HALL OF FAME ENSHRINEMENT: Jack Butler
Pittsburgh Steelers in the Pro Football Hall of Fame - Sports Illustrated
Pittsburgh Steelers in the Pro Football Hall of Fame - Sports Illustrated
Pittsburgh Steelers - Wikipedia
Jack Butler notes & quotes
Road to the Super Bowl: The 100-day jersey countdown — No. 00 – Sun Sentinel
Jack Butler (American football) - Wikipedia
Pittsburgh Steelers Hall of Famers
Who is the most underrated player in the history of the Pittsburgh Steelers? - Quora
Steelers Hall of Fame Pittsburgh Steelers
Pittsburgh Steelers - Wikipedia
Jack Butler Pittsburgh Steelers
Steelers Hall of Famer Jack Butler dies at 85
Steelers Hall of Fame DB Jack Butler dead at age 85 - Behind the Steel Curtain