The Boston Celtics have a new owner. The drive to add more NBA championships won’t change Toronto StarCeltics finalize sale of franchise to Bill Chisholm Sportsnet.caCeltics Announce New Ownership Structure, Titles Hoops RumorsSale of Boston Celtics is finalized, with Bill Chisholm taking control of the NBA’s most-decorated franchise CityNews HalifaxA twist emerges in $6 billion Celtics sale as new owner readies for control New York Post