Great NFL History Video
Chicago Bears running back Gayle Sayers retires from the NFL. on this day, September 10 in 1972.
He's considered one of the best open field runners of all time, scoring a record 22 touchdowns his rookie year.
He was a first-round pick in the 1965 NFL Draft, and played his entire pro career for the NFL's Chicago Bears.
Sayers is a member of both the Pro Football Hall of Fame and the College Football Hall of Fame.
He was known as 'The Kansas Comet'.