Jayson Tatum and Joe Mazzulla participate in offseason boxing workout
Yahoo Sports • 1 min read • Latest: Aug 17, 2026, 2:57 PM
Last updated Aug 17, 2026

Jayson Tatum and Boston Celtics head coach Joe Mazzulla recently engaged in an offseason boxing workout at the team's practice facility. The session, shared via the Celtics' social media, highlighted Mazzulla's unique approach to coaching, viewing basketball as a battle. Such workouts, including martial arts training, emphasize physical and mental preparation for the upcoming season. Mazzulla's coaching style and initiatives have contributed to his successful tenure with a noteworthy win percentage.
- •Tatum and Mazzulla showcased boxing training at Celtics' practice facility.
- •Mazzulla emphasizes a mindset of competition and battle in basketball.
- •Celtics social media posted a video of the workout on August 16, 2026.
- •Mazzulla's coaching approach has led to a 72.6% win percentage.
- •Players like Jaylen Brown also engage in unconventional training methods.
- 2:57 PMYahoo Sports — Jayson Tatum and Joe Mazzulla's Offseason Boxing Workout Embodies Celtics Philosophy
"Joe Mazzulla wants his players battling out on the court.
Sources
External linksOriginal reporting and copyright belong to the linked sources. SportsNewsReport.com aggregates and links — it does not republish full articles.
Related Stories
Last 14 days
NBA•Aug 17, 2026, 2:19 PMRival Team Star Believes Celtics Are Among 2026-27 Contenders
NBA•Aug 17, 2026, 1:39 PMWe Now Know Why Celtics Signed Mike Conley Jr.
NBA•Aug 17, 2026, 1:39 PMLeBron James solves the 76ers’ biggest offensive problem
NBA•Aug 17, 2026, 1:13 PMKnicks star Jordan Clarkson takes sly dig at San Antonio Spurs in latest preseason training video
NBA•Aug 17, 2026, 1:01 PMEvery Tennessee player drafted by the Boston Celtics
NBA•Aug 17, 2026, 10:02 AMToday in Boston Celtics history: Popson signs: G1 of COVID bubble 1st round vs. 76ers won
