An inflatable version of Houston Rockets mascot Clutch was positioned outside the team locker room as the players arrived for a morning practice. That provided the ideal setup for a prank as the mascot suddenly "came to life" to scare the players as they left the locker room after practice.
Naturally, cameras were there to captured the reactions of the players, with hilarious results, and using the Beastie Boys classic "Sabotage" fits perfectly.
H/T Extra Mustard.