The NBA announced on Saturday that Mazzulla was fined $35,000 for "aggressively pursuing and directing inappropriate language toward a game official" after the Celtics lost 108-117 to the Chicago Bulls. Once the buzzer sounded, Mazzulla went straight to the ref and could be seen yelling and pointing in anger.

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.

Joe Mazzulla received a technical foul for stepping onto the court and questioning a game official during a jump-ball decision as the Boston Celtics faced the Chicago Bulls. Both Payton Pritchard and Jaylen Brown had gone for the ball on the floor,