In his 11-season (1988–1999) National Basketball Association (NBA) career, the 6'8" small forward played for the New Jersey Nets, Utah Jazz, and Phoenix Suns.

Morris was named Mr. Basketball for the state of Georgia and Douglass High School retired his jersey number 34 in 1994.

While a member of the Nets, he stopped listening to coach Bill Fitch and refused to enter a game while the team was trying to make the playoffs.

On March 2, 1993, with the New Jersey Nets, he shattered a backboard with a slam dunk during a regular season game against the Chicago Bulls.

US federal judge Christopher A. Boyko permitted American creditors to collect the money in 2009 shortly before Olympiacos visited the Cleveland Cavaliers for an exhibition match.