Chapman went to the United States in the summer of 1978 to play outdoors for the California Sunshine of the American Soccer League for two seasons.
[5] He began the 1984–1985 season in Wichita, but on 1 March 1985, the Cleveland Force purchased Chapman's contract.
Chapman, known as one of the best natural goal-scorers to ever play the indoor game, was a fan favourite in every city.
In 1990, Chapman became a player-coach of the National Professional Soccer League's Detroit Rockers.
In 1994, the Detroit Neon of the Continental Indoor Soccer League hired Chapman away from the Rockers.