Celtics coach Joe Mazzulla challenged the call.

Source: https://www.bostonherald.com/2023/05/27/derrick-whites-tip-in-at-buzzer-sends-celtics-to-epic-win-forces-unthinkable-game-7/

Celtics coach Joe Mazzulla needed a second look to know the Celtics were in the clear and he wasn’t positive until “they showed it on the Jumbotron.”

Source: https://nypost.com/2023/02/26/celtics-nip-76ers-after-joel-embiid-70-footer-comes-too-late/

Celtics head coach Joe Mazzulla said after the game, as seen on NBC Sports Boston’s postgame coverage.

Source: https://nesn.com/2023/11/al-horford-delivers-for-shorthanded-celtics-in-bostons-fourth-straight-win/

“I thought the first half was good, and in the third quarter we got off the ropes and lost that sense of urgency,” Boston coach Joe Mazzulla said.

Source: https://www.mariontoday.org/heat-take-ecf-game-1-at-boston-celtics-cant-contain-jimmy-butler-supporting-cast/

Joe Mazzulla brushed off his latest achievement, but Marcus Smart sees right through his head coach.

Source: https://nesn.com/2023/01/marcus-smart-calls-joe-mazzullas-bluff-on-all-star-game-remark/

Joe Mazzulla noted that White — along with Marcus Smart — often gets the Celtics into their offense quickly.

Source: https://www.boston.com/sports/boston-celtics/2023/04/18/celtics-hawks-game-2-takeaways/

"Just resiliency from the guys," Celtics coach Joe Mazzulla said.

Source: https://www.perthnow.com.au/sport/basketball/celtics-on-brink-of-greatest-nba-playoffs-comeback-c-10794699

“Matchups,” Celtics coach Joe Mazzulla said.

Source: https://www.bostonherald.com/2023/03/02/celtics-back-grant-williams-after-surprise-benching-just-keep-his-head/

Maybe Boston coach Joe Mazzulla played a larger role than Williams in Game 2 by never double-teaming Butler for some odd reason.

Source: https://www.sun-sentinel.com/2023/05/20/dave-hyde-bostons-grant-williams-tugged-on-playoff-jimmy-butlers-cape-and-game-2-was-over/

“The balanced attack we had the entire game is a vision of what our team can be,” Celtics head coach Joe Mazzulla said after the win.

Source: https://nesn.com/2023/10/celtics-new-core-finds-untapped-potential-with-key-additions/

The Celtics are on a three-game losing streak heading into Saturday’s game against the Los Angeles Lakers, but interim head coach Joe Mazzulla has one solution to Boston’s woes.

Source: https://nesn.com/2023/01/joe-mazzulla-suggests-celtics-are-bored-amid-losing-streak/

There’s no doubt Celtics coach Joe Mazzulla already is going to have to make some difficult decisions down the stretch with the roster as it is.

Source: https://nesn.com/2023/02/should-celtics-target-will-barton-after-reported-contract-buyout/

“You have a special night by a guy, and they made some big shots down the stretch,” Celtics coach Joe Mazzulla told reporters in Philadelphia.

Source: https://www.bostonherald.com/2023/04/04/celtics-cant-overcome-joel-embiids-epic-52-point-performance-fall-to-76ers/