"(When) he was playing in FIBA this summer, I thought he had a different approach," said Celtics coach Joe Mazzulla.

OKLAHOMA CITY — The Celtics finished the first quarter of Thursday’s game against the Oklahoma City Thunder with five players on the floor that weren’t part of an NBA rotation last year. Incredibly, ...

Jayson Tatum is available for the Celtics on Saturday, while Derrick White (right knee contusion) and Baylor Scheierman ...

On a night when the Boston Celtics lost a tight game with the Oklahoma City Thunder, Jaylen Brown had some thoughts about ...

Jayson Tatum missed his first game of the season since returning from an Achilles tear on Thursday night against the Oklahoma ...

The Celtics fell just short to the Thunder 104-102 on Thursday in Oklahoma City in a nailbiter. The C’s kept clawing back, ...

Against the Celtics, Thunder guard Shai Gilgeous-Alexander can break the NBA record for consecutive games with at least 20 ...

A Celtics insider suggests Boston could soon make a roster decision on Ron Harper Jr. after the two-way guard’s breakout ...

The Boston Celtics announced Jayson Tatum's status for Saturday's game against the Washington Wizards (at home).

Brown's comments after the final-second loss to Oklahoma City Thursday night were his first in public on the ejection.

Game 4 of the NBA Finals between the Golden State Warriors and Boston Celtics was essentially a heavyweight brawl for 48 minutes with both sides landing big blows throughout. However, in the end, it ...

Today in Boston Celtics history, The Celtics became the first team in NBA history to win 60 games in a regular season.