Former Toronto Raptors wing OG Anunoby played hero for the New York Knicks in Monday's shocking upset of the Boston Celtics

OG Anunoby and the New York Knicks stole Game 1. It looked like the Boston Celtics were going to cruise to a Game 1 victory. They were up by 20 points midway through the third and seemed to be in full control of the game.

The Knicks came from 20 points down to force overtime and beat the Celtics, who had a terrible night from 3-point land, in Game 1 of their series.