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Celtics Extend Joe Mazzulla’s Contract With Multi-Year Deal

The deal ensures coaching continuity ahead of a season marked by major roster changes with Jayson Tatum likely sidelined by injury.

May 16, 2025; New York, New York, USA; Boston Celtics head coach Joe Mazzulla coaches against the New York Knicks during the first quarter of game six in the second round of the 2025 NBA Playoffs at Madison Square Garden. Mandatory Credit: Brad Penner-Imagn Images/File Photo
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Celtics coach Joe Mazzulla talks with guard Jaylen Brown during the NBA playofs.
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Overview

  • The Celtics announced that Mazzulla, 37, inked a multi-year extension on August 8 without disclosing its financial terms or duration.
  • He has compiled a 182-64 regular-season record and a 33-17 mark in the playoffs over three seasons, culminating in the 2024 NBA championship.
  • Mazzulla assumed the head coaching role in September 2022 following Ime Udoka’s suspension and became the youngest coach to win the NBA Finals since Bill Russell in 1969.
  • President of basketball operations Brad Stevens commended Mazzulla’s passion, leadership and consistent 60-win campaigns in endorsing the extension.
  • The extension secures Mazzulla’s leadership as the Celtics reshape their roster to manage salary-cap constraints and navigate Jayson Tatum’s recovery.