The Celtics, who won the championship last year against the Dallas Mavericks, lost Jayson Tatum to an Achilles tear in Game 4. He could miss the entire 2025-26 season. Jaylen Brown did all he could to keep Boston's season alive after Tatum went down. He scored 26 points in Game 5 and 20 in Game 6 before fouling out.

A sudden, heart‑stopping moment late in Game 4 of the Eastern Conference semifinals saw Celtics superstar Jayson Tatum collapse to the hardwood, his right leg betraying him in a split second that changed Boston’s season forever.

The Boston Celtics announced Tuesday that Jayson Tatum had successfully had surgery to repair his ruptured Achilles tendon. The Boston Star suffered the injury late in Game 4 of the semifinals against the New York Knicks.