On November 1, 2026, the Boston Celtics are shifting toward a new defensive identity under head coach Joe Mazzulla, with a renewed emphasis on limiting turnovers. The team's strategy centers on ball security as a catalyst for more consistent defensive performances.
Mazzulla has introduced adjusted schemes that prioritize forcing opponents into mistakes while reducing Boston's own giveaways, aiming to transform the Celtics into a more resilient defensive unit.
