As a freshman, McClain averaged 5.4 points and 1.3 rebounds per game. As a sophomore, McClain posted 4.6 points, 1.3 rebounds, and 1.1 assists per game. McClain averaged 12.6 points, 3.8 rebounds and 2.1 assists per game as a junior, his first season as a starter. As a senior, McClain averaged 16.8 points, 3.6 rebounds and 3.9 assists per game and was named to the All-OVC First Team. He scored 27 points at Southeast Missouri State on March 2, 2019, to lead Belmont to an Ohio Valley Conference regular season title. In the NCAA Tournament, McClain posted 29 points against Temple, leading Belmont to an 81-70 victory. He finished 11th on Belmont's NCAA Division I era career scoring list with 1,279 points.
