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.

Losing key players to injury during the NBA playoffs is not uncommon; it happens every year. But it still hurts each time someone goes down.

Suddenly here we are, longing for those times when we thought the worst-case scenario for the Celtics meant falling behind ...

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 ...

Not everyone inside the Boston Celtics locker room feels the season is doomed after Jayson Tatum's massive injury.

The somber atmosphere was about much more than the team falling down 3-1 in their series against the Knicks. Instead, the ...

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

Tatum crumpled to the floor after a non-contact injury that looked like the worst thing to happen to the Celtics franchise in ...