Walker played college football for the University of Georgia, earned consensus All-American honors three times and won the 1982 Heisman Trophy. Walker began his professional football career with the New Jersey Generals of the USFL, before joining the Dallas Cowboys of the NFL. In the NFL, he also played for the Minnesota Vikings, Philadelphia Eagles and New York Giants. He was inducted into the College Football Hall of Fame in 1999.

This May 27, 1985 issue of Sports Illustrated Magazine was signed in black by Walker and inscribed, "82 Heisman." This item includes a Great Moments COA.