Mazzulla said his players have to welcome the challenge of snapping out of the worst slump since the coach’s first season.

Abby Chin catches up with Jaylen Brown in an exclusive 1-on-1 interview following the Celtics’ dominant 121-94 win over the Orlando Magic. The real Jaylen Brown showed up for the TD Garden crowd in Friday night's emphatic Boston Celtics victory over the Orlando Magic.

After scraping by to beat New Orleans, Jayson Tatum and head coach Joe Mazzulla had some things to say about the current state of the team. “Maybe you don’t want to play your best basketball at the beginning of January,

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.

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.

While the Celtics have produced an excellent record so far this season, they haven't been the dominant force many expected as they defend their NBA title.

The Celtics got one of their best games of the year Friday night from a group that's struggled together this season.

Empty possessions like that one have become too common lately for the Boston starters. The Celtics’ first unit, one of the NBA’s best high-usage lineups last season, has gone through baffling problems since Porziņģis made his season debut on Nov. 25.

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