Celtics coach Joe Mazzulla trains in MMA to sharpen competitive edge

Coach Mazzulla has turned hitting MMA gyms into a staple of the Celtics’ road trips across the United States. Training in Brazilian jiu‑jitsu sharpens his physical conditioning and stress management.

In an interview with Ariel Helwani, he explained how these sessions influence the team’s aggressive defense and fast‑break style. Analysts note the unconventional routine also boosts the squad’s mental toughness.