Gayle Sayers, Chicago Bears legendary running back, has died at 77 after a battle with dementia.

Pro Football Hall of Fame president David Baker released a statement Wednesday.

“All those who love the game of football mourn the loss of one of the greatest to ever play this game with the passing of Chicago Bears legend Gale Sayers,” Baker said. “He was the very essence of a team player – quiet, unassuming and always ready to compliment a teammate for a key block. Gale was an extraordinary man who overcame a great deal of adversity during his NFL career and life.

Read about the life and career of Sayers here.

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