While traveling to Chicago for UFC 319, a fan quietly tried to snap a photo of Joe Mazzulla on the plane, and he noticed it.

Boston Celtics team president Brad Stevens may have constructed his 2025-26 roster with a clear mandate to save money, but that doesn't mean head coach Joe Mazz

The Boston Celtics and coach Joe Mazzulla have agreed to a multi-year contract extension, the team announced on Friday. Mazzulla enters his fourth year on the job as he looks for a second NBA title after leading the Celtics to their 18th franchise championship in 2024.

Joe Mazzulla has led the Celtics to the most wins in the regular season the past three years and secured a ring for the franchise in 2023-24.

Celtics coach Joe Mazzulla just earned a multi-year contract extension, and it seems like the right call for Boston.

Celtics sale, Joe Mazzulla’s motivation and more: 5 questions ahead of training camp By Jared Weiss Sept. 12, 2024Updated Aug. 19, 2025 11:07 am EDT

This article was originally published on www.si.com/nba/celtics as Celtics Notes: Al Horford Prediction, Jayson Tatum Talks, Joe Mazzulla Called Out. The Boston Celtics are set to lose center Al Horford in free agency, according to an NBA insider.