Heat guard Terry Rozier was arrested Thursday morning as part of an FBI investigation into an illegal sports gambling ring, while Trail Blazers coach Chauncey Billups was arrested by the FBI on Thursday for allegedly taking part in mafia-influenced illegal poker games. Both were put on immediate leave by the NBA.

The sweeping, multipart federal gambling investigation led to the arrests of Rozier, Portland Trail Blazers coach Chauncey Billups and more than 30 other individuals. The NBA placed Rozier and Billups on immediate leave soon after the arrests, with the league saying that it was reviewing the indictments.

Portland Trail Blazers head coach Chauncey Billups has been charged in an illegal poker operation tied to the mafia, law enforcement sources told ABC News.