February 24, 2022 11:25 pm Tatum on Grant Williams: “He's a key part of our team.” Jayson Tatum discusses the growth Grant Williams has had, and how he has become an essential part of this Celtics team. Celtics Videos 0:26 Joe Mazzulla explains Celtics World Tour shirts 1:25 1 year anniversary of Celtics acquiring Jrue Holiday in blockbuster trade 2:15 Tatum on chasing Larry Bird: “You should strive to be the best” 1:36 Jaylen teases news that other players want to wear new shoe line 0:37 Joe Mazzulla talks about sitting in on Patriots defensive team meetings