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, in his fifth season as head coach, was arrested in Oregon, where is expected to make an initial court appearance on Thursday, sources said.

Billups coached the Trail Blazers in their season opener on Wednesday night, a loss to the Minnesota Timberwolves.

Billups was also a star player, mostly for the Detroit Pistons, before retiring in 2014. He was a five-time All-Star in his 17 years in the NBA and led the Pistons to the NBA title in 2004, being named Finals MVP.

He was the No. 3 overall pick in 1997 and finished his career with 15.2 points and 5.4 assists per game.

Miami Heat guard Terry Rozier is also charged in a separ

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