Alternate angle shows that, after the buzzer sounded, Devin Booker walked over to the Clippers bench to taunt/gloat. The shove by Cousins followed shortly after:

Steve Ballmer with an awesome pre-game speech before the game between the Clippers and the Blazers He gives a shoutout to the city of Seattle their fans the Portland Trail Blazers their owner and Billups for becoming HOF Ends up with a passionate Make some noise

Steven Adams crosses DeMarcus Cousins and drops it off for the Westbrook drive!

Video Booker and Ayton on FaceTime with CP3 after their Game 1 win

Enes Kanter the trebuchet launches the ball at the buzzer. KD approves