![Michael Dwyer Boston Celtics owner Wyc Grousbeck raises the trophy after defeating the Dallas Mavericks in Game 5 of the NBA basketball finals, Monday, June 17, 2024, in Boston. (AP Photo/Michael Dwyer)](https://mapi.associatedpress.com/v2/items/797e59410f104e49b3783d4626db8160/preview/preview.jpg?s=680x&wm=false)
Boston Celtics owner Wyc Grousbeck raises the trophy after defeating the Dallas Mavericks in Game 5 of the NBA basketball finals, Monday, June 17, 2024, in Boston. (AP Photo/Michael Dwyer)
![Michael Dwyer Boston Celtics' Jayson Tatum, right, and Celtics owner Wyc Grousbeck, center, celebrate their NBA basketball championship with a duck boat parade Friday, June 21, 2024, in Boston. (AP Photo/Michael Dwyer)](https://mapi.associatedpress.com/v2/items/c7fe892e9a3c4c6e9dad8806597df017/preview/preview.jpg?s=680x&wm=false)
Boston Celtics' Jayson Tatum, right, and Celtics owner Wyc Grousbeck, center, celebrate their NBA basketball championship with a duck boat parade Friday, June 21, 2024, in Boston. (AP Photo/Michael Dwyer)