POSTED: Wednesday, November 6, 2013 - 11:31pm
UPDATED: Thursday, November 7, 2013 - 6:20pm
Tyler — He's one of the greatest running backs in NFL history.
He ran for over 12,000 yards with the Cowboys.
Tony Dorsett is in the Pro Football Hall of Fame.
But doctors said he has a degenerative condition caused by head trauma.
Dorsett says he is suffering memory loss.
He says he's had thoughts of suicide.
Doctors have told him he is clinically depressed.
Dorsett said he suffered numerous concussions when he played.