Continuity was the theme of last year’s Celtics offseason. This summer likely will be defined by necessary change. A breakup of Boston’s championship-winning core appears inevitable as the Celtics stare down a 2025-26 roster that’s projected to cost roughly $500 million between salaries and luxury tax penalties.

Many of those have to do with how the roster will look next season, with the Celtics likely to move on from some core player this offseason. Due to the new restrictions under the