Originally from Buffalo, New York, Tillmon earned honors as a First-Team and Second-Team NCAA Division II All-American, and First-Team AP Little All-American. He led the nation in both rushing at 172 yards per game and scoring at 12.7 points per game in 1991. He ended his career as the all-time leading rusher in Emporia State history and is still second with 4,141 career rushing yards.