Every season of Joe Mazzulla’s tenure as Boston Celtics head coach has featured a rather unique challenge.

From being thrust into the fire after the dismissal of coach Ime Udoka, to watching the core of the team get overhauled before the 2024 title run, to trying to defend that crown last season with a virtually identical roster, there have been obstacles different from what most young coaches encounter during their initial runs in the big chair.

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Even entering Year 4, Mazzulla will be challenged in a new way again during the 2025-26 season.

Mazzulla is now tasked with shepherding the Celtics out of a summer of change. There is new ownership , a new-look roster thinned of talent by a prohibitive second apron, a

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