Mazzulla said his players have to welcome the challenge of snapping out of the worst slump since the coach’s first season.

When asked about public slights against his Celtics players, Joe Mazzulla’s message has been consistent: Criticism, Mazzulla believes, is both a compliment and a fact of life for star athletes.

The Boston Celtics have gone 12-8 since the beginning of December and Joe Mazzulla's team has struggled on both sides of the floor in recent weeks. They've been unable to protect the rim (or the ...

The real Jaylen Brown showed up for the TD Garden crowd in Friday night’s emphatic Boston Celtics victory over the Orlando Magic. It was a bounce-back performance for Brown, who looked out of sorts during the team’s stunning loss in Toronto.