LAS VEGAS >> For the past three seasons, USC and UCLA have met in the Pac-12 Tournament.
Two years ago, it was in the quarterfinals, where the NCAA Tournament-bound Bruins routed their last-place rivals by 26 points.
It was in the first round last March and the Trojans, who that time were the team headed to the postseason, rolled. They won by 24 points, ending UCLA’s season.
As they reconvened on Thursday night, their quarterfinal rematch carried significance for both sides for once.
For UCLA, which had won its last nine regular season games and rose as high as No.