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.

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,

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