George Pickens Eyes Pro Bowl After Feeling 'Snubbed' As Rookie
History of how NFL playoffs have expanded
Green Bay Packers and Chicago Bears: The NFL's greatest rivalry, 1935-80
The career of Chicago Bears Hall of Famer Gale Sayers – Daily Press
History of Pittsburgh Steelers First-Round NFL Draft Picks All Time
Bears vs Steelers Postgame Reaction: Bears beat the Steelers 23-17 in overtime and I'm not upset - Windy City Gridiron
NFL Program: Pittsburgh Steelers vs. Chicago Bears (September 17, 1967)
Johnny Unitas - Wikipedia
Coldest NFL games in history: Here's a list of the 10 coldest football games ever played