The 1980 club finished second in NJCAA Region X during the regular season. Medlin compiled a 3.90 era as a freshman and led the team in 1980 with an era of 2.85. After completing his junior college career at Salkehatchie, Medlin played his final two seasons at Newberry College where he compiled an overall record of 13 wins and 6 losses. His overall college record was 30 wins and 10 losses.
In 1984, Medlin got his start in college coaching as the pitching coach at Anderson College. During his four years at Anderson, the Trojans posted an average record of 32 wins and 17 losses. In the fall of 1988, Medlin became the assistant/pitching coach at Newberry College. In January 1989 he became the head coach of the Indians. During his 17 seasons as head coach, Medlin posted an overall record of 428 wins and 421 losses. The 428 wins at Newberry is the highest total in the history of the program. Newberry won conference tournament championships in 1989 and 1992.
Medlin was a three time coach of the year winner, including 1989 when he received the award for the state of South Carolina (selected by the coaches.) Medlin has over 50 former players who are currently college or high school coaches.