Watch Boston Celtics vs Philadelphia 76ers — NBA Preseason Free.

What's at Stake

While this preseason opener does not impact the standings, it reignites one of the NBA's most historic Atlantic Division rivalries. Both Eastern Conference powerhouses are looking to establish their depth, integrate offseason acquisitions, and test new tactical adjustments ahead of the grueling regular season. It serves as a crucial first look at how both coaching staffs plan to utilize their rotations and rookie signings in a competitive environment.

Head-to-Head

The Celtics and 76ers share a rich history of intense matchups, with Boston holding the upper hand in recent playoff encounters. Over their last several regular season and postseason meetings, games have been characterized by physical defense and tactical chess matches between the coaching staffs. As both teams transition from summer training camps, this matchup offers a fresh chapter to see how their revamped rosters match up against familiar foes.

Key Players to Watch

• Jayson Tatum — The Celtics' cornerstone forward looks to set a dominant tone early in the preseason and showcase any offseason refinements to his offensive game.
• Joel Embiid — The dominant center remains the focal point of Philadelphia's system, and his minutes will be closely monitored as he works his way into game shape.
• Tyrese Maxey — The dynamic guard's explosive speed and perimeter shooting will be vital in breaking down Boston's perimeter defense.

Prediction

With this being the preseason opener, expect both head coaches to limit the minutes of their established superstars in the second half, leaving the game to be decided by the bench units. Boston's superior roster continuity and home-court advantage at the TD Garden should give them the slight edge in a close, high-scoring contest. The Celtics are predicted to edge out the 76ers in a tight finish as their depth players secure a narrow victory.