He finished his career fourth all-time in both points (1,715) and rebounds (911). He is first on the all-time lists with 117 games played and 4,263 minutes. Smith earned Sun Belt Tournament MVP in 1986 after helping the Dolphins win the Sun Belt title and earn a berth in the NCAA Tournament.
As a professional, he was taken in the second round of the 1986 NBA Draft by the Denver Nuggets. He spent six seasons in the NBA playing with Denver (1986-87, 87), Golden State (1987-89) and Orlando (1989-92). Smith recorded 3,951 points, 1,416 rebounds, 690 assists and 377 steals in his 375 game career. He enjoyed his best year during the 1990-91 season with the Orlando Magic. In that season, he had career-bests in points (1,024), rebounds (389), assists (169) and starts with 39 during his 75 games.
Following his playing career, Smith served as community relations manager for the Magic for two years. He would later spend the 2002-03 season as executive director for basketball operations with the Golden State Warriors and returned to the Magic as the director of player development. Prior to the 2006-07 season, Smith was promoted as the Magic General Manager.