Adam Silver says expect expansion momentum to pick up this summer, Mavericks not moving to Vegas

Expansion is coming to the NBA. Adam Silver is too smart a lawyer and too wise a commissioner to put it that bluntly — ultimately he needs the votes of two-thirds of a fickle group of owners — but that's the reality. Silver opened up about that on ESPN's Pat McAfee show Wednesday."We're just beginning the process of exploring the opportunity to expand..We're looking hard at it and there's no doubt that there's been interest in Seattle and Las Vegas..We're looking at those markets and