While attending Florida, Sullivan was a roommate of fellow future PGA Tour player Andy Bean.

His first win came at the 1980 Southern Open which he calls the biggest thrill of his career due to being paired with Arnold Palmer in the third round.

He had more than forty top-10 finishes in PGA Tour events during his career.

His best finish in a Nationwide Tour event was a second-place tie in the 1998 NIKE Dominion Open.

PGA Tour playoff record (0–4) European Tour playoff record (0–1) CUT = missed the half-way cut "T" = tied He called for professional basketball player Mahmoud Abdul-Rauf to be shot, after he refused to stand for the pledge of allegiance.