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Joe Mazzulla Shocked Blake Griffin By Loudly Practicing Karate At The Celtics Facility

Griffin played 41 games for the Celtics in 2022-23 before retiring from the NBA. This was Joe's first season as HC. "Nobody else is in there this morning, it's just me and the strength coach and I hear [thud]," said Griffin. The sound? "Joe's back there practicing karate [with his sensei]," said the strength coach. Classic Joe.