Played college football for the University of Nebraska.
Played for the following clubs in his playing career: San Francisco
49ers (1983-1990), Los Angeles Raiders (1991), and Minnesota Vikings
(1992-1993).
Ranks 34th on NFL All-Time Rushing Attempts List (1,991).
Ranks 37th on NFL All-Time Rushing Yards List (8,189).
Ranks 47th on NFL All-Time Rushing Touchdowns List (56).
Was the star halfback for the San Francisco 49ers in the mid through
late 80's. In 1985 he became the first professional football player to
run for 1,000 yards and receive for 1,000 yards in single
season.