19-07-2026 19:30 via yardbarker.com

Celtics’ Joe Mazzulla Explains Why He Trains in MMA During NBA Season

Joe Mazzulla’s championship edge comes from an unlikely place. The youngest coach to win an NBA championship since Bill Russell in 1969 and one of the most decorated coaches has reasons to be different, and his off-court practices tell us all.

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Celtics’ Joe Mazzulla Explains Why He Trains in MMA During NBA Season

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