The Celtics led the New York Knicks by as much as 20 points in the third quarter, but the Knicks then began a furious comeback and won the game in overtime. After Boston took that 20-point lead, the Knicks outscored them 56-33 to end up tying the game and force overtime.

Before the Celtics dropped Game 1 of their second-round playoff series with the Knicks, before they even got to overtime Monday night, they made history. Related Articles Callahan: Celtics’ collapse in Game 1 was self-inflicted Celtics blow 20-point lead,

And they did it despite Kristaps Porzingis playing just 13 minutes and not making a shot from the floor. Porzingis left the game in the first half in an understated way and just never came back in. The Celtics initially ruled him questionable to return with an illness,