Posted in Web Boston Celtics ownership group plans to sell majority stake – ESPN July 1, 2024 ESPN. The Boston Celtics majority ownership group, led by Wyc Grousbeck, is planning to make the franchise available for sale. News of the plan to sell comes two weeks after the Celtics won their … https://www.espn.com/nba/story/_/id/40474833/boston-celtics-ownership-group-plans-sell-majority-stake