Roberson played college basketball for the University of Florida, and signed with the NBA's Memphis Grizzlies as an undrafted free agent in 2005.

In October 2006 he was signed by the Golden State Warriors to be evaluated during training camp, and would appear in 20 contests in 2006–07, being waived in early January 2007.

[3] After failing to find a job in the NBA in 2007–08, Roberson went overseas and spent the season in Israel (playing for Hapoel Jerusalem)[4] and Turkey.

[6] On February 19, 2009, Roberson was traded to the Chicago Bulls along with center Jerome James and forward Tim Thomas in exchange for guard Larry Hughes.

[12] He won his first trophy with APOEL just after his first official game, helping his team to win the 2014 Cypriot Super Cup by beating Apollon Limassol 74–58, in a match which Roberson was the top scorer with 19 points.