Boston Celtics team president and chief operating officer Rich Gotham knows the team he represents as well as anyone after more than two decades of working with the storied ball club. So his endorsement of new majority owner and governor Bill Chisholm ought to carry a bit more weight than in other corners,

What we learned about Wyc Grousbeck, Jayson Tatum’s rehab, a Boston WNBA team and more during Bill Chisholm’s introductory news conference.