Boston Celtics head coach Joe Mazzulla recently pitched a strange new side hustle. Mazzulla initially was enlisted to serve as an assistant coach for then-head coach Ime Udoka on the 2021-22 Celtics.

Joe Mazzulla believes great coaching success stems from having great players, staying authentic, and learning from early experiences.

Joe Mazzulla reveals which songs are on his pre-game playlists: "Can I come out of this for a UFC championship fight?" originally appeared on Basketball Network.

"It felt like a true gift from God" - Joe Mazzulla calls his Celtics head coaching job a gift from the heavens originally appeared on Basketball Network.

Boston Celtics head coach Joe Mazzulla had a humorous reaction to Jordan Walsh's Summer League ejection in a win over the Heat.

After just one summer league game, it's easy to see why the Celtics drafted Hugo González, and he is poised to become a favorite of Joe Mazzulla.

Joe Mazzulla on practicing ju-jitsu: Because I put myself in these situations with ju-jitsu, with training with him, I have to I put myself out there to the class or to the to the art in general.

Boston head coach Joe Mazzulla offered up a hilarious reaction to second-year wing Jordan Walsh's ejection from a Summer League clash.

Joe Mazzulla shared what Bill Russell meant to the Boston Celtics: "It wasn't always easy for him or his teammates" originally appeared on Basketball Network.

And, while Mazzulla — who was sitting in the bleachers with his family — may have celebrated the play, Walsh apologized to Celtics general manager Brad Stevens.

Celtics coach Joe Mazzulla stuns with business pitch to simulate military missions like the Bin Laden raid on podcast.