Jaylen Brown's DRAMATIC Mental Shift | Is This the KEY to Celtics' SUCCESS?

CELTICS MEDIA DAY REVELATIONS: Tatum's recovery, Brown's growth, and defensive challenges Jayson Tatum's injury recovery takes center stage as the Boston Celtics gear up for a new season. John Karalis of Boston Sports Journal breaks down key moments from the team's media day, offering insights into Tatum's progress and potential early return. Joe Mazzulla's hands-on approach with players comes under the microscope, while Jaylen Brown's newfound maturity signals a possible shift in team dynamics. Anfernee Simons' controversial comments on defense spark debate about the Celtics' expectations and culture. Tune in for an in-depth analysis of how these media day developments could shape the Celtics' upcoming campaign.