What was the biggest loss by the Celtics?

The Boston Celtics' biggest loss in franchise history occurred on December 2, 2021, when they were defeated by the Sacramento Kings with a final score of 153-108. This 45-point margin marked the largest loss in the team's long history, surpassing their previous record loss of 44 points. The defeat highlighted struggles in the Celtics' defense and overall team performance during that season.