For all that changed, what fuels the Tatum-Brown dynamic remains the same

Mar 6, 2026; Boston, Massachusetts, USA; Boston Celtics guard Jaylen Brown (7) and forward Jayson Tatum (0) watch the Jumbotron during the second quarter against the Dallas Mavericks at TD Garden. Mandatory Credit: Winslow Townson-Imagn Images | Winslow Townson-Imagn ImagesJaylen Brown always believed in what he could do if given the chance to shoulder more responsibility. With everyone playing off him, he's acted as a rising tide that lifts all boats. By elevating his play and that of those around him, he earned his first career start in the NBA All-Star Game.

Beyond that, his ability to lead the Boston Celtics to a top-two seed in the East, keeping them in title contention while Jayson…