Steve Ballmer is adamantly denying the L.A. Clippers had a role in Kawhi Leonard's massive endorsement deal with Aspiration ... claiming the contract came months after the NBA superstar already agreed to an extension with the team.
The billionaire owner opened up on the recent bombshell report on ESPN on Thursday ... kicking things off by saying the Clippers have always abided by the league's salary cap circumvention rules, as it's "the right thing to do.