Also a member of the Indianapolis Colts and Miami Dolphins, he spent a total of three years in the NFL although he only saw playing time in one.
[3] At Norman, he played football and was a multi-year starter at both center and linebacker, being an All-State performer.
[11] Simpson remained a starter for his senior season but his ankle injury from the previous year was described as "severe" and resulted in his 40-yard dash time dropping from 4.6-seconds to 5.0-seconds.
[12] In his last year at Oklahoma, he was the only senior starting on the offensive line, helping the team compile another 11–1 record while winning the Big Eight championship and the 1987 Orange Bowl.
[17] Following the 1987 NFL draft, Simpson signed with the Indianapolis Colts as an undrafted free agent.