The Celtics are down 2-0 to the Knicks, though Jaylen Brown looked to detail what they needed to do to get back in the series.

The Boston Celtics didn’t expect this. Two games into their second-round showdown with the New York Knicks, they find themselves staring at a 0-2 hole. Game 2 was there for the taking — until it wasn’t.

Every NBA team makes mistakes — even the reigning champion Boston Celtics. However, there’s no excuse for repeating them, making the Celtics’ disastrous 91-90 loss to the New York Knicks in Game 2 of the Eastern Conference Semifinals difficult to rationalize.