Official release Celtics coach Joe Mazzulla reacts after being called for a technical foul. NEW YORK – Boston Celtics head coach Joe Mazzulla has been fined $35,000 for aggressively pursuing and directing inappropriate language toward a game official ...

How did Joe Mazzulla become the head coach of the Boston Celtics, given how much of a maniac he is the sidelines? If anything, if we are being honest, it is that maniacal aspect that has turned the West Virginia alum into one of the best assets on the bench in the NBA today.

Boston Celtics coach Joe Mazzulla was fined $35,000 by the league for "aggressively pursuing and directing inappropriate language toward a game official," after Boston's 117-108 loss to the Chicago Bulls Thursday night.

The Boston Celtics have had to deal with a lot of different narratives from the media regarding Jayson Tatum over the last couple of years, with a lot of them being negative. This is despite the fact that Tatum was a first-team All-NBA performer a year ago when the Celtics won their 18th NBA championship.

Joe Mazzulla’s Christmas greetings were costly. The NBA fined the Boston Celtics coach $35,000 on Saturday “for aggressively pursuing and directing inappropriate language toward a game official” at the end of his team’s loss to the Chicago Bulls on Thursday night.

Boston Celtics head coach Joe Mazzulla shrugged off a tense interaction with a ref after their loss to Chicago on Thursday, claiming he was simply wishing the official a "Merry Christmas."

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

On social media, theories and hot takes abound for the drop, ranging from too many three-pointers to the season being too long to streaming making it too difficult to find games. Celtics coach Joe Mazzulla admitted Thursday that he’s part of the problem, as well, saying in part that he’d “rather watch something else.”

Even with four-time All-NBA power forward Jayson Tatum a late scratch due to illness, the Boston Celtics had their chances to beat the injury-plagued Orlando Magic on Monday night. Read More: Boston Head Coach Joe Mazzulla Reveals Details About Jayson Tatum's Surprise Illness Instead,

Jayson Tatum was unexpectedly scratch from the Celtics' lineup Monday night. Joe Mazzulla explained why that happened.

The Boston Celtics will be looking to avoid back-to-back losses for the first time this season when they meet the visiting Philadelphia 76ers on Wednesday.