Former Chicago Bears RBs Gale Sayers, Willie Galimore were active participants in Civil Rights Movement
Chicago Bears Hall of Fame RB Gale Sayers dies at 77
Gale Sayers, the Chicago Bears' Hall of Fame running back, dies at 77: 'He was poetry in motion. His like will never be seen again.' – Hartford Courant
Chicago Bears Hall of Fame RB Gale Sayers passes away at age 77
The greatness of Gale Sayers will never be seen again – News4usonline
Chicago Bears' Hall of Fame running back Gale Sayers dies at age 77 - ESPN
25 Greatest Running Backs in NFL History
Gale Sayers, Bears legend and Hall Of Famer, dies at 77 - Windy City Gridiron
Current & former Chicago Bears players, celebrities and more pay tribute to Gale Sayers