Celtics All-Access: Jaylen Brown & Speed, Jayson Tatum visits Patriots, Joe Mazzulla UFC workouts

An offseason full of change has us charting a new course for the 2025-2026 season 👀 The departures of Al Horford, Kristaps Porzingis Jrue Holiday, and Luke Kornet signaled the start of a roster reconstruction. With Jayson Tatum's recovery from a ruptured achilles keeping him out for foreseeable future, we're calling on fresh faces in the locker room to step into the spotlight and produce on basketball's biggest stage. Outside of basketball, it was a busy offseason full of hard work and hustle. From MMA workouts, to live streaming with celebrities, to building a better future for our communities, there's no summer like a Celtics summer ☘️ 0:00 Jaylen Brown speaks at Museum of Science 🧪 0:45 Intro 1:55 Brad Stevens breaks down offseason changes 🗣️ 2:57 Brad Stevens discusses Anfernee Simons' game 🏀 3:30 Luka Garza & Josh Minott signings 📝 4:25 Payton Pritchard offseason workouts 💪 6:10 Jaylen's leads local youth with Bridge Foundation programming 💚 9:00 Joe Mazzulla trains with @ufc coach at MMA gym 🥊 11:10 Jayson Tatum visits @patriots camp 🏈 12:35 Payton hangs with Julian Edelman & Rob Gronkowski 🤝 14:45 JB streams with @IShowSpeed 🎥 19:07 Training camp starts 👀 Beneath the Banners is presented by ReliaQuest: https://bit.ly/4mVeRcz _______ Subscribe Here ☘️ https://www.youtube.com/celtics _______ Keep up with the C’s Twitter ☘️ https://twitter.com/celtics Instagram ☘️ https://www.instagram.com/celtics/ Facebook ☘️ https://www.facebook.com/bostonceltics TikTok ☘️ https://www.tiktok.com/@celtics Snapchat ☘️ https://www.snapchat.com/add/celtics LinkedIn ☘️ https://www.linkedin.com/company/bostonceltics/ _______