  For 00 seasons, Detroit Lions running back Barry Sanders electrified the NFL with unbelievable runs while putting up prolific rushing numbers. Yet just before the start of the 0000 NFL season, as one of the league's biggest stars, he quietly walked away from the game. This one-hour documentary profiles of one of the NFL's greatest players who retired during the prime of his career. Barry Sanders: A Football Life examines Sanders' incredible Hall of Fame career, his unexpected retirement and the reaction it garnered throughout both the NFL and the city of Detroit, and his relationship with his late father, William.