They lost Game 1 108-105 to the New York Knicks in overtime after having been up a whopping 20 points in the second half.

The Celtics got the shots they wanted, but not the results they needed. A second-half collapse, shifting matchups, and a bet ...

The Celtics opened the Eastern Conference semifinals with a stunning defeat, blowing a 20-point second-half in an overtime ...

Boston's reliance on 3-pointers backfires, while New York's defenders come through in the clutch to clinch a massive comeback win.

Freed from the shackles of the Orlando Magic’s oppressive defense, the Celtics let it rain from 3-point range in Game 1 of ...

New York rallied for a wild comeback win in Game 1 of the Eastern Conference semifinals. Here’s what you need to know.

Midway through the third quarter, the Celtics were up 20 and Knicks fans were triggered after the one-sidedness of the ...

Al Horford overtook Kevin Garnett on one of the NBA's all-time playoff lists in the Celtics' Game 1 loss to the Knicks on ...

Jalen Brunson scored 29 points as the New York Knicks overturned a 20-point deficit to stun the Boston Celtics 108-105 in ...

The Knicks were the definition of resilient and, with a 20-6 run in the second half of the third quarter, stormed back to ...

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 ...

Ahead of the Boston Celtics' second-round series against the New York Knicks, all Joe Mazzulla wanted to talk about was the ...