Video: Jeff Green's poster dunk on Al Jefferson

This is what KG was talking about when he said Green needs to play like an asshole. Green was one of the reasons the Celtics won tonight as he even got playing time in crunch time.

With the taunt too!

Of course, for every great moment there's an embarrassing one. I actually thought this was pretty funny, Garnett doing the clapping thing in front of Gordon Hayward and then Hayward just knocks down a jumper.