Is this simply a sign they are sure he's the man for the job? Or does this hint that the Celtics plan to be back in the thick of a title hunt soon?

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

The Boston Celtics and coach Joe Mazzulla have agreed to a multi-year contract extension, the team announced on Friday. Mazzulla enters his fourth year on the job as he looks for a second NBA title after leading the Celtics to their 18th franchise championship in 2024.