Chapman was one of the most talented athletes to ever play at Saginaw High School.
The 6-2, 200 pounder played basketball , football and ran track for the Trojans.

He was named all-state his senior year in basketball and helped the Trojans’ track team to a state title the same year.

*Chapman accepted a cage scholarship to Michigan State University, but was slowed by a pair of knee surgeries. He battled back to become a solid player for the Spartans. Chapman averaged 19.6 points during his junior season and was then drafted by the Kansas City Kings.

He came back for his senior season and was named team captain (1977-78) and helped lead MSU to a 25-5 record, the most wins ever by any State team at the time.

He ended up with 1,382 career points which still ranks in the top 10 of all time.
He signed with the Detroit Pistons as a free agent but was waived.