Roberts signed a two-year, $950,000 deal with Olympiacos B.C. in Greece, freelance reporter David Pick reports. The contract includes a $1 million NBA opt out in between the two seasons.

Roberts will start at point guard for Monday's game against the Bucks, Bucks play-by-play announcer Ted Davis reports.

Roberts is no longer listed on the team's official injury report, Stephanie Ready of Fox Sports Southeast reports.

Roberts did not participate in shootaround and is questionable for Friday's game against the Nuggets due to personal reasons.

Roberts collected 15 points (5-8 FG, 3-3 3Pt, 2-2 FT), four assists, one rebound and one steal across 24 minutes in Friday's 121-81 victory over the Magic.

Roberts scored eight points (2-3 FG, 2-3 3Pt, 2-2 FT) to go with two assists across 10 minutes in a 105-99 loss to the 76ers on Monday.

Roberts (coach's decision) didn't see the floor in a 110-107 loss to the Knicks on Friday.

Roberts will not be available for Monday's game against the Wizards.

Roberts (coach's decision) didn't see the floor in a 108-98 loss to the Celtics on Monday.

Roberts (coach's decision) didn't leave the bench in Friday's 113-111 overtime loss to the Knicks.