Key Speakers At The Bloomberg Sports Business Summit [Getty Images]

Adam Silver, commissioner of the National Basketball Association (NBA), speaks during a Bloomberg Television interview at the Bloomberg Sports Business Summit in New York, U.S., on Thursday, Sept. 4, 2014. Silver said legalized sports gambling in the U.S. is likely to spread and the National Basketball Association expects to profit from it. Photographer: Peter Foley/Bloomberg via Getty Images

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