Boston Celtics head coach Joe Mazzulla yells from the sideline during the first half of an NBA basketball game against the ...

Joe Mazzulla quickly shut down any notion that was the case.

How did Joe Mazzulla become the head coach of the Boston Celtics, given how much of a maniac he is the sidelines? If anything ...

The Boston Celtics have had to deal with a lot of different narratives from the media regarding Jayson Tatum over the last ...

Both Joe Mazzulla and Jaylen Brown were furious with the officiating in Thursday night's Boston Celtics loss to the Chicago ...

The NBA fined the Boston Celtics coach $35,000 on Saturday "for aggressively pursuing and directing inappropriate language ...

Boston Celtics coach Joe Mazzulla was fined $35,000 by the league for "aggressively pursuing and directing inappropriate ...

Celtics forward Jaylen Brown took issue with back-to-back technical fouls called on coach Joe Mazzulla and himself late in ...

Joe Mazzulla received a technical foul for stepping onto the court and questioning a game official during a jump-ball ...

NEW YORK – Boston Celtics head coach Joe Mazzulla has been fined $35,000 for aggressively pursuing and directing ...

Joe Mazzulla was fined $35,000 for “aggressively pursuing and directing inappropriate language toward a game official” after ...

Celtics head coach Joe Mazzulla needed to be restrained by his staff from the referees following Boston's defeat to the ...