Bull was taken out of the Baylor University by the Chicago Bears as the seventh pick in the first round in the 1962 NFL draft.
During his career, Bull played in 123 games, carried the ball 881 times for 3,222 yards and 9 touchdowns.
He was named the 1962 Senior Bowl most valuable player and 1962 UPI NFL-NFC Rookie of the Year.
He currently runs his specialty advertising business, Ronnie Bull Sales, Inc in the Chicago area.
This biographical article relating to an American football running back born in the 1940s is a stub.