Corbin played on the WVU football junior varsity team in 1974. In 1975, he was listed as the number three free safety behind veterans Mark Burke and Tom Florence. The next season, Corbin was the number three free safety behind Paul Jordan and Kevin Berkey. In 1977, he was listed as number three defensive end behind John Holliday and Pete McConnell. Corbin majored in business. At Lincoln High School, he played football, basketball and ran track, earning prep All-American honors for football.