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.

Billups and Rozier were arrested Thursday morning in connection with an FBI investigation into illegal sports betting, according to multiple reports.

Portland Trail Blazers coach Chauncey Billups was arrested on Thursday morning, as a federal grand jury indicted him in connection to his alleged participation in an illegal gambling scheme. This was the result of a wide-ranging gambling investigation that included two separate cases of illegal sports betting and gambling.

NBA coach Chauncey Billups' arrest with two others on illegal gambling charges was a chance for the NCAA to revisit its recent decision to allow athletes to bet on pro sports.

The NBA world had a lot to digest on Thursday after the FBI arrested several individuals, including Portland Trail Blazers coach Chauncey Billups.