A United States Senate committee sent a letter to NBA commissioner Adam Silver on Monday, saying that last week's federal indictments of Miami Heat guard Terry Rozier , Portland Trail Blazers coach Chauncey Billups and former NBA player and coach Damon Jones were a matter of "Congressional concern" and asking for details about the league's approach to investigating potential gambling violations.

The Senate Committee on Commerce, Science and Transportation, which is chaired by Sen. Ted Cruz (R-TX) and oversees professional sports, asked the NBA in its letter to provide documentation of its gambling policies and a list of investigations regarding betting.

"The integrity of NBA games must be trustworthy and free from the influence of organized crime or gambling-related activity. S

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