Walker played high school football at DePaul Catholic High School in Wayne, New Jersey.[1] He gained 4,563 rushing yards and scored 57 touchdowns during his high school career, including 1,607 yards and 27 touchdowns as a junior in 2014 and 1,517 yards and 14 touchdowns as a senior in 2015.[2] In July 2014, he was rated by ESPN and 247Sports.com as the No. 1 running back in the class of 2016.[3] He was rated as a four-star prospect by ESPN.com and the No. 45 overall player in the 2016 ESPN 300.[4]
College career
Walker originally committed to Ohio State, during halftime of the 2015 National Championship Game, but withdrew his commitment in November 2015.[5][6] The following month, he committed to the University of Michigan.[7][8][9] Walker enrolled early in January 2016,[10] announced his intention to play as a freshman and added: "But I'm not riding the bench. I came in to be ready."[11] In July 2018, Walker transferred to play at Fort Scott Community College in Kansas.[12]