[ClutchPoints] - Celtics’ Joe Mazzulla shows off in MMA offseason training

Joe Mazzulla’s relentless pursuit of improvement doesn’t stop when the NBA offseason begins. As the Boston Celtics gear up for the 2026-27 campaign, the reigning NBA Coach of the Year was recently spotted training at the renowned Xtreme Couture gym in Las Vegas. Shared by MMA insider Ariel Helwani, the footage captured Mazzulla working through […] The post appeared first on .