[1] Recruited by dozens of major colleges, Walker chose to attend Syracuse University, where he became one of the most prolific running backs for a school renowned for great runners.
He was behind Joe Morris (4,299 yards), Larry Csonka (2,934), and Floyd Little (2,704) and ahead of Heisman Trophy winner Ernie Davis and Hall of Famer Jim Brown.
[3][4] Walker spent the 1994 season as an assistant coach at Miami Carol City Senior High School.
In 1995, he returned to his alma mater as the running backs coach for the Syracuse Orange, a position he held for ten seasons.
In January 2011, he was named running backs coach at the University of Maryland, but three weeks later he was hired to the same position by the NFL's Indianapolis Colts.