When speaking to the media following Boston's loss to the Raptors, Mazzulla admitted that his team isn't reaching its full potential. The third-year head coach noted how the Celtics aren't playing at their best and that improvements are needed if the team wants to keep pace with a chasing crowd.

Mazzulla says the pressure on the Celtics is coming from comparisons to Cavs and Thunder: "Oh, you're not as good because you're not them."

The Boston Celtics have been one of the more difficult teams to figure out of late. While the Celtics have continued their dominance this season, they have also shown a lack of focus in multiple games.

Celtics coach Joe Mazzulla said the TD Garden press room sounded like a morgue after Boston's Sunday night victory. Here's why he loved it.

After the Celtics' brutal loss to the Raptors on Wednesday, Brian Scalabrine suggests it may be time for coach Joe Mazzulla to make a tough decision with his lineups.

Joe Mazzulla's Boston Celtics held on for a last-second 120-119 home win over the New Orleans Pelicans on Sunday.

The Boston Celtics barely avoided disaster late against the New Orleans Pelicans on Monday. Head coach Joe Mazzulla didn't even want to discuss the dicey moment

After Brandon Jennings criticized Jayson Tatum, Joe Mazzulla shared a strategy on keeping criticism in its proper perspective.

Mazzulla went on to strongly defend his star player in the same radio interview, calling Tatum “one of the best Celtics of all time” while stressing the need to ignore outsiders’ opinions.

The slumping Boston Celtics hit a new low when they lost to the Toronto Raptors on Wednesday, Jan. 15. Joe Mazzulla's team looked bereft of energy, ideas and execution as they came up against a young team looking to prove themselves.

Boston Celtics head coach Joe Mazzulla communicates with his team during the second half of an Emirates NBA Cup basketball game against the Washington Wizards, Friday, Nov. 22, 2024, in Washington. (AP Photo/John McDonnell) AP