Now that the U.S. Supreme Court has paved the way for states to allow sports betting, professional sports leagues, gambling operators and state governments are vying for their share of potentially billions of dollars of new revenue.
Monday’s ruling is expected to set the stage for a frenzy of negotiations in statehouses across the U.S. on tax rates and possible charges by leagues, all of which could determine how quickly sports betting takes off in newly regulated markets. Even before the Supreme Court decision, betting operators...