Celtics head coach Joe Mazzulla enjoys the struggle of the regular season, and a tough loss to the Mavericks didn't change that.

Klay Thompson and the Mavericks jumped on the Celtics early, and the Celtics never countered – falling 127-120 in their ...

Boston Celtics head coach Joe Mazzulla said he is enjoying himself amid the added pressures of life as the defending NBA ...

Boston took a 12-point lead into the fourth quarter Tuesday night at Rocket Mortgage FieldHouse, just as it did in the same ...

"I think we know we're capable of this," Kristaps Porziņģis said after Boston closed out its three-game trip with a win over Cleveland.

The Celtics overcame a 26-point second-half deficit and beat the short-handed 76ers 118-110 in Philadelphia on Sunday.

The Celtics completed the largest comeback of the Joe Mazzulla era Sunday night, shocking the Philadelphia 76ers in a 118-110 ...

The Celtics escaped New Orleans with a 118-116 win over the Pelicans on Friday night thanks to Jayson Tatum’s heroics.

Jayson Tatum’s clutch heroics propelled the Celtics to a 118-116 victory over the Pelicans on Friday. Read more on Boston.com ...

Jayson Tatum delivered the Celtics a near crunch time win instead of a loss that would've been defined by late free throw shooting.

The NBA rescinded a technical foul called on Porzingis following the incident vs. the Rockets. “Honestly, as I got the ...