He was a first-team All-American and the SEC Player of the Year in 2004, leading Mississippi State to its first top-two seeding in the NCAA tournament.

After two seasons with the Grizzlies, in July 2007, Roberts moved to Europe and signed with Greek powerhouse Olympiacos on a two-year deal.

[5] Without a club and not playing competitive basketball for several months, Roberts was signed by Serbian team KK Crvena zvezda on September 17, 2008, for a one-year contract.

[6] On September 25, 2009, Roberts signed the Indiana Pacers training camp roster, but he got released less than a month later on October 19, 2009.

[13] On October 2, 2014, Roberts signed with BCM Gravelines of the French LNB Pro A[14] averaging 4.7 points and 4.9 rebounds.