Defining Moments August 26, 2024 8:35 am Defining Moments: Tommy Heinsohn defined what it meant to be a Celtic In this edition of “Defining Moments”, to celebrate what would have been his 90th birthday, we take a look at what made Tommy Heinsohn the ultimate Celtic. Celtics Videos 1:46 Celtics Talk: How will Mazzulla keep C's motivated this season? 1:26 Charles Barkley: “NBA screwed up” by motivating Tatum and Brown 2:03 Report: Jeff Bezos not interested in buying Celtics 1:29 Kidd: Wasn't trying to start something by calling Jaylen C's best player 0:20 Jaylen Brown on C's repeating: Now we got the target on our back