Boston Celtics head coach Joe Mazzulla on Friday stayed true to his reputation as the most locked-in coach in the NBA.

Mazzulla said he didn't want to communicate with ex-assistant Charles Lee in Charlotte because he's 'the enemy.' ...

Joe Mazzulla spoke with the media at Celtics practice about his relationship with other coaches, and why he told former ...

Charles Lee could not be more opposite than Mazzulla.

Joe Mazzulla is barely into his third year as the coach of the Celtics, but he's already established himself as one of the ...

I’m not talking to you during the season. I’m not waving to you at the national anthem. I’m not doing that. You’re an enemy.” ...

Mazzulla acknowledged that he does interact with some head coaches from time to time but he does not want to let those ...

"He breached NBA rules and came into the assistant coach's locker room and forced me to give him a hug." The post Joe ...

Don't expect Celtics head coach Joe Mazzulla to be best friends with rival NBA coaches during the season. He explained why on ...

Charles Lee won a championship as the lead assistant on Joe Mazzulla's staff with the Boston Celtics last season. When Lee ...