It's a whole new ballgame in the NBA, where a seismic shift in star talent has flung the door wide open to an array of 2020 title contenders. The NBA, whose sudden row with China promises to linger, will be hoping on-court excitement in the wake of unexpected off-season moves will pull attention from simmering tensions when the 2019-20 campaign tips off on Tuesday. With Kevin Durant gone and Klay Thompson ruled out for the first half of the season after knee surgery, the Golden State Warriors' march to the finals that has defined the past five seasons looks to be a thing of the past.