The Celtics are among the most storied franchises in NBA history and have had some of the game’s best coaches on their bench.

BOSTON — The Celtics made playoff history in Game 1 on Monday night while blowing a 20-point third quarter lead to the underdog Knicks. The hosts shot just 25 percent from the field from 3-point range in the 108-105 overtime defeat, going just 15-of-60 from beyond the arc.

The Boston Celtics, to a greater degree than any team in NBA history, embody the "live by the 3, die by the 3" mantra. For the most part, the reigning champs live damn well. But man, did they die in historic fashion on Monday night,