He then served as the head coach of the Wilmington Wildcats (1988–1994) and the Delaware Fightin' Blue Hens (2001–2022).
As a freshman at the University of Delaware in 1979, Sherman had a .367 batting average, a .419 on-base percentage (OBP) and a .623 SLG.
In the 1981 season as a junior, Sherman hit 10 home runs and 12 doubles, and was then selected by the Chicago Cubs in the 20th round of the 1981 Major League Baseball draft, but returned for his senior year at Delaware.
Sherman had his best season as a senior in 1982, leading the team in doubles (13), home runs (15), RBIs (68), batting average (.394) and slugging (.794).
Sherman was hired as the head coach of the Wilmington University Wildcats baseball program in 1988.