The Boston Celtics enter camp with more eyes on them than any other team. Jaylen Brown spent the summer embracing his role from their 2023-24 title- and deservedly as the reigning Finals MVP, showing up in workouts and talking more openly about leadership. Jayson Tatum stayed quieter, but his looming extension hangs over everything.
Add to that Brad Stevens’ calculated roster tweaks, shipping out Jrue Holiday and Kristaps Porzingis out- and the story of this team has become one of balancing immediate title expectations with the long game. Derrick White has emerged as a steady hand, drawing praise in camp circles, but Boston still faces the recurring narrative: do they have enough scoring and toughness off the bench to survive the grind of May and June?
Media Day will bring all of this to the table. Money, depth, and pressure, the Celtics have it all. Now they’ll have to answer for it.
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When Is Celtics Media Day?
The Boston Celtics will hold Media Day on September 29, 2025, at the Auerbach Center in Brighton, followed by the opening of training camp the next day, September 30, as part of the league-wide start. Camp will run through the week with practices and scrimmages at the Auerbach Center, preparing the team for the season.
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Their first preseason game is set for October 8, kicking off a four-game slate before the regular season begins on October 22 against the Philadelphia 76ers. For Boston, this means a quick transition from media sessions to on-court work.
This marks the official training camp kickoff for most NBA teams, with Media Day on September 30 and camps starting October 1.
However, teams playing international preseason games- such as the New York Knicks and Philadelphia 76ers in Abu Dhabi, UAE, and the New Orleans Pelicans in Australia- begin earlier, reporting on September 23 and starting camps on September 24 or 25 to accommodate travel.
Jaylen Brown is expected to take center stage at Media Day. His five-year, $304 million supermax extension, signed in July 2023, symbolizes Boston’s commitment and sets a high bar for his leadership, especially with the team’s retooled roster. Reporters will likely press him on how he’s preparing to lead the Celtics through a challenging season.
Jayson Tatum will draw attention despite a quieter presence. He signed a five-year, $314 million supermax extension in July 2024 and is rehabbing a ruptured right Achilles tendon from May 2025. Recently, he shed his medical walking boot and has been working daily at the Celtics’ facility, though he’s expected to miss most or all of the 2025-26 season.
Newcomer Jalen Bridges will also have eyes on him. Coming in with solid G-League / Summer League performances and good shooting numbers, his main test will be: how fast can he show he belongs in rotations behind the stars.
You’ll be able to stream Media Day live on the Boston Celtics’ official YouTube channel and their verified social platforms (X, Instagram, TikTok). After the event, the NBA will post the full replay and highlight clips on NBA.com and their YouTube/X channels. Local and national reporters, names like Jared Weiss and Keith Smith, will deliver real-time coverage on X, giving fans a direct window into every storyline as it unfolds.
What to expect from Celtics media day
For the first time since Jayson Tatum was drafted in 2017, the Boston Celtics will open Media Day without their franchise cornerstone on the roster. The responsibility now shifts to Jaylen Brown, Derrick White, and Payton Pritchard to explain how the team will carry forward. Coach Joe Mazzulla is expected to face questions about how new signings like Jalen Bridges and Kendall Brown will be used.
With veterans like Jrue Holiday, Kristaps Porzingis, Al Horford, and Luke Kornet swapped out for younger, developing players, the focus will shift to whether Boston’s culture can hold steady. Reporters will press veterans on how they plan to maintain a winning identity while helping younger additions like Luka Garza, Josh Minott, and Hugo Gonzalez grow into real contributors.
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Expect Brown to face questions about leadership, while White will likely be asked about balancing playmaking with mentoring. Pritchard, meanwhile, will field queries on whether he’s ready for a bigger role in stabilizing a young rotation. Media Day becomes the first checkpoint in seeing whether this veteran core is prepared to keep Boston steady without Tatum’s presence.
Media Day will answer some questions and raise new ones, but the bigger test comes once the season starts. If you were in that room on Sept. 29, what would you ask the Celtics as they step into this new era?