Mazzulla's performance, coupled with the team's decision to part ways with Udoka, saw him land the gig on a full-time basis. He led the Celtics to a championship in 2024 and has amassed a 182-64 regular-season record over his first three seasons, with a 33-17 record in the postseason.

Boston Celtics president Brad Stevens has said throughout the offseason that that team wanted Joe Mazzulla to be its coach for a long time.

Having led the Boston Celtics to the most wins in the regular season over the past three seasons and an NBA title during the 2023-24 campaign, head coach Joe Mazzulla has received a new contract from the club.