Celtics' Playoff Collapse: How Boston's Overachievement Led to a Heartbreaking Game 7 Loss to 76ers

The Boston Celtics’ season ended in heartbreak on May 2, 2026, as they lost Game 7 of the NBA Eastern Conference First Round to the Philadelphia 76ers at TD Garden. The defeat marked the second time in five years the Celtics squandered a 3-1 series lead in the playoffs, leaving fans and analysts stunned.

Jaylen Brown #7 of the Boston Celtics looks on during the second quarter of Game 7 against the Philadelphia 76ers. (Photo by Maddie Meyer/Getty Images)

Celtics’ Season of Overachievement Ends in Disappointment

After a regular season filled with unexpected success, the Celtics entered the playoffs as the East’s top seed. However, their playoff run unraveled in dramatic fashion. Despite three close looks to take the lead in the fourth quarter, the Celtics missed all three shots, sealing their fate.

“Basketball is a cruel sport because it is always reduced to its simplest variable,” the author wrote. “You play somewhere between 82 and 100 games, thousands of minutes, months of physical toil and deal with pressure most of us could not imagine, all for a chance to attempt a shot to maybe win it all.”

Unexpected Breakout Performances

The Celtics’ overachievement this season was fueled by breakout performances from players who exceeded expectations. Jaylen Brown delivered an MVP-level campaign, while Neemias Queta and Payton Pritchard emerged as key contributors. The author admitted to being wrong about all three, calling for Brown’s trade before the season and underestimating Queta and Pritchard’s impact.

“I called for the team to maybe actually trade Jaylen Brown before the season, a foot I will gladly put in my mouth — nothing I had seen from him so far suggested he had this MVP-level campaign in him,” the author wrote. “I likewise had no reason to expect Neemias Queta could be a legit, NBA-caliber starting center, nor belief that Payton Pritchard could be more than a glorified three-point specialist.”

Jayson Tatum’s Absence Loomed Large

Jayson Tatum’s return from injury initially boosted the Celtics’ momentum, but his subsequent injury and absence in Game 7 left a void. The team, once dubbed “the favorites in the East,” failed to capitalize on their 3-1 lead, falling to a team they had previously dominated.

“The Celtics fought tooth and nail all season for that chance. They entered the season with too many varied expectations for me to generalize, but I can say with total accuracy that I did not believe in them whatsoever.”