What happened: Joe Mazzulla joins Daniel Cormier to discuss coaching, competition and jiu-jitsu. The conversation highlights Mazzulla's Brazilian jiu-jitsu blue belt background.

Why it matters: Mazzulla's jiu-jitsu background gives the exchange a coaching crossover beyond basketball schemes. It keeps the Celtics coach visible as Boston moves forward with Jayson Tatum after the Jaylen Brown split.

What to watch: Boston turns toward camp with Mazzulla's rotation choices under scrutiny. The show's next booking will show whether fight-sport crossovers continue.