The Celtics felt that Jaylen Brown and Jayson Tatum were no longer a championship-caliber duo, per @ShamsCharania
“Whether it was personal situations between the two players or whether it was just the on-court basketball fit, the Celtics had just made the determination that, moving forward, they can no longer win a championship, clearly, with Jaylen Brown and Jayson Tatum,”
(Via @GetUpESPN / h/t @RealGM )