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The Boston Celtics are entering dangerous territory. After yet another dominant regular season, whispers around the league suggest the front office may be losing patience with a roster that racks up wins from October through April but continues to stall when the stakes rise. According to one veteran NBA insider, a second-round exit this year could be the tipping point.

For most franchises, 57 wins and a top-two seed would be the hallmark of a successful season. In Boston, it’s the expected minimum. This current core, Jayson Tatum, Jaylen Brown, and to a lesser degree, Marcus Smart and Derrick White, has been given a wide runway. It’s been five years since the Celtics started positioning themselves as perennial contenders, and while they’ve knocked on the door repeatedly, they’ve never truly broken through. NBA betting sites have consistently priced the Boston Celtics as a top-three title favorite over the past several seasons, reflecting both the talent on the roster and the growing pressure to convert potential into a championship.

The front office has stood by the Tatum-Brown pairing despite repeated debates about whether the two wings complement each other or simply overlap. This postseason might be the final data point. Another failure to make it to the Finals, especially if it comes at the hands of a lower-seeded, less-talented team, could force Brad Stevens to consider a dramatic reshuffle.

League chatter indicates that while Tatum is safe, no one else is untouchable. Brown just signed a record-breaking extension, but that hasn’t prevented his name from surfacing in quiet trade scenarios. His deal is steep, but it also makes him a more valuable trade asset under the new CBA structure, where teams are looking for predictable, high-caliber talent on long-term deals. If Boston falls short again, expect other GMs to call.

Part of the problem is that the Celtics are stuck between identities. They want to be a switch-heavy, defense-first team, but that version rarely shows up in the postseason. Their half-court offense stagnates. The ball sticks. Late-game execution looks more like isolation basketball than anything structured. The coaching staff has not yet solved the issue of how to leverage both Tatum and Brown in tandem rather than toggling between them. For a team with Finals aspirations, that’s a liability.

There’s also growing scrutiny on head coach Joe Mazzulla, who still hasn’t found a way to unlock this team’s full potential in May. Internal confidence remains steady for now, but Boston is not immune to the pressures that come with extended playoff disappointment. Ownership wants results. Stevens, despite his calm demeanor, has made aggressive moves before. The Kristaps Porziņģis trade was proof that he’s not afraid to gamble on fit.

If the Celtics crash out early again, look for offseason noise to get loud fast. This is a team that’s been “one piece away” for half a decade. At some point, the equation flips. It’s not about what they’re missing. It’s about what’s no longer working. That moment may be approaching faster than Boston expects.