Teams losing key players during the NBA playoffs is not uncommon. But it still hurts each time someone goes down.

Jayson Tatum underwent surgery on his right achilles tendon. He suffered the Injury against the Knicks in Game 4 on Monday.

The Boston Celtics experienced how quickly the momentum can shift in the NBA Playoffs. After beating the New York Knicks ...

By the looks of it, Jayson Tatum will be out for Game 5 — and perhaps much longer — while the Celtics hold on hopes to defend their title.

The Celtics blew a 14-point lead, then lost their best player to injury in a Game 4 loss to the Knicks that pushed Boston to ...

The Celtics will need a lot more from Kristaps Porzingis to keep their season alive after Jayson Tatum's injury in Game 4.

Sometimes it makes sense, and this time, it didn’t make sense. … It’s weird, weird, weird, honestly. Super weird.” ...

Porzingis racked up seven points (2-6 FG, 0-2 3Pt, 3-6 FT), four rebounds and one steal in 24 minutes during Monday's 121-113 loss to the Knicks in Game 4 of the Eastern Conference Semifinals.

The most productive playoff performance of Payton Pritchard’s career helped spark the Celtics in their Game 3 win.

The Boston Celtics grabbed a massive win in Game 3 of their second-round playoff series, cutting their deficit to 2-1. Now heading into Game 4, the Celtics unde ...