The stage is set for another classic chapter in one of the NBA's fiercest rivalries as the Boston Celtics host the Philadelphia 76ers in Game 1 of their 2026 first-round playoff series. The Celtics, eyeing their second title in three years, enter as the East's formidable second seed, boasting a dominant 30-11 record at TD Garden. The 76ers, fresh off a play-in victory, face a monumental challenge, especially with the confirmed absence of Joel Embiid due to an appendectomy.

This matchup is always a battle of intensity, and the betting lines reflect Boston's home-court advantage, with the Celtics installed as 12.5-point favorites. The total points over/under is set at 213.5. While the teams split their four regular-season meetings, the playoff atmosphere in Boston presents a different beast entirely.

For those analyzing the game, a proven computer model that simulates every matchup 10,000 times has identified a strong trend. It is leaning heavily toward the Under on the 213.5-point total. This aligns with recent history, as the Under has hit in the last three head-to-head games and in eight of Philadelphia's last ten outings. The model's projection anticipates a defensive struggle, with Tyrese Maxey leading a short-handed Sixers offense and Jaylen Brown pacing the Celtics' scoring.

As tip-off approaches, the key question is whether Philadelphia's perimeter game, led by Maxey, can overcome the significant void left by Embiid against Boston's elite defense. For the Celtics, maintaining their home dominance and executing their game plan without underestimating a gritty opponent will be crucial to taking a 1-0 series lead.