NBA: Sixth Street backing $6.1bn Chisholm bid for Boston Celtics Sport Business Private equity firm Sixth Street is reportedly part of William Chisholm’s $6.1bn takeover bid of NBA team Boston Celtics, in what would be a North American franchise record. The deal, if successful, would surpass the $6.05bn takeover of the NFL franchise Washington Commanders led by Josh Harris and Mitchell Rales. The Boston Celtics’ current owners, [...]