Mullins served as the head basketball coach at the University of North Carolina at Charlotte from 1985 to 1996.

Mullins, a native of Lexington, Kentucky, was a very talented 6'4" (1.93 m) forward in high school.

In 2002, Mullins was named to the ACC 50th Anniversary men's basketball team as one of the 50 greatest players in Atlantic Coast Conference history.

In 1985, Mullins was hired as the head men's basketball coach and athletic director at UNC Charlotte.

His 182 victories over eleven seasons stood as a school record until Bobby Lutz, Mullins' former assistant coach, surpassed that total in 2008.