Bobby Marks shares his offseason guide for the Boston Celtics after defeating the Dallas Mavericks in the 2024 NBA Finals to win their NBA-record 18th championship after a dominant 80-21 overall record; the 13th best mark in NBA history. ☑️ Subscribe to ESPN+: https://plus.espn.com/ 📱Get the ESPN App: http://www.espn.com/espn/apps/espn 🏀 Subscribe to NBA on ESPN on YouTube: http://bit.ly/2yxs3Og ☑️Subscribe to ESPN on YouTube: http://es.pn/SUBSCRIBEtoYOUTUBE ☑️Watch ESPN on YouTube TV: http://es.pn/YouTubeTV