Jaylen Brown was dealt to the Philadelphia 76ers on Thursday, prompting Celtics head coach Joe Mazzulla to address the impossible task of replacing the reigning NBA Finals MVP during a summer‑league practice session.

What happened?

On Thursday, Boston completed a blockbuster trade that sent the All‑Star wing to Philadelphia in exchange for Paul George. The move ended a decade‑long tenure in which Brown helped the Celtics win a championship and become one of the league’s top two‑way players. Mazzulla, who has been with the club since the 2023‑24 season, fielded reporters after the practice and stressed that the trade was “not a black‑and‑white type of thing.”

Why does it matter for Jaylen Brown?

Brown’s departure leaves a void that stretches beyond raw statistics. He carried the offense when Jayson Tatum missed time with injury and logged the highest usage rate on the roster during several stretches last season. Mazzulla noted, “You’re not going to replace what he’s done in his career, or what he did this year.” The coach’s remarks underline how Brown’s impact was woven into Boston’s identity, from setting the tone in the locker room to being a primary scorer in clutch moments.

How is Boston planning to fill the gap?

Mazzulla was quick to reject the notion of finding a direct copy. He said the team has “brought in people” and will rely on new acquisitions to become “the best version of themselves.” The Celtics have already added Paul George, a veteran wing with playoff experience, but the coach emphasized that no newcomer is expected to replicate Brown’s exact skill set. Instead, the focus will be on complementary pieces that can help the squad stay competitive.

What are fans and analysts saying?

Boston supporters expressed alarm after the trade, especially after reports that the organization once pursued Giannis Antetokounmpo, offering Brown plus two unprotected first‑round picks. When that bid fell through, the Celtics reportedly continued shopping Brown, raising questions about front‑office direction. Brown himself reacted on a live stream with IShowSpeed, saying, “I just got traded… there’s no loyalty, there’s no love.” The candid reaction added fuel to the debate about whether the franchise undervalued its own star.

What’s next for Jaylen Brown?

Now wearing a 76ers jersey, Brown faces a new chapter in Philadelphia, a team eager to add a proven scorer to its roster. The trade also reshapes the Eastern Conference power balance, giving Boston a veteran wing while handing Philadelphia a younger, defensively versatile wing who just won Finals MVP. How quickly Brown adapts to a new system will be a storyline to watch throughout the upcoming season.