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.

Celtics coach Joe Mazzulla was fined $35,000 for “aggressively pursuing and directing inappropriate language toward a game official” Thursday night. Mazzulla received a technical foul for leaving the coach’s box and walking onto the floor during the fourth quarter of the Celtics’ 117-108 loss to the Chicago Bulls.

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.