A group headed by Bill Chisholm is set to take control of the Boston Celtics after the NBA Board of Governors unanimously approved the sale on Wednesday.

The NBA officially has signed off on the sale of the Celtics to Bill Chisholm and his partners. The league announced Wednesday that its Board of Governors “unanimously approved the sale of the controlling interests in the Boston Celtics to an investor group led by Bill Chisholm.”

According to multiple league sources, while Bill Chisholm will technically be the Celtics Governor, he and Wyc Grousbeck plan to run the team together as originally planned. But with Chisholm as Governor and Grousbeck as alternate Governor and CEO. The change in structure was due…