Joe Mazzulla has stressed the importance of building relationships with other coaches in the city, emphasizing the value of sticking together, helping each other, and leaning on each other’s experiences.

Mazzulla revealed that Vrabel didn't speak at the practice. He acknowledged that he invited Vrabel. "Just getting to know him now, but obviously have seen what he's been able to d

Vrabel, 49, was hired by the Patriots shortly after the end of the season. He takes over for Jerod Mayo, who led New England for one year. Celtics coach Joe Mazzulla, who’s in his third season as the top guy, spoke about what it was like having Vrabel around after inviting him to practice.