Why did Blake Griffin change his number to 91 after joining Celtics? According to The Boston Globe's Gary Washburn , Griffin chose to wear No. 91 with the Celtics as a tribute to Dennis Rodman.

Blake Griffin is going a bit left with his new jersey number in Boston. The new Celtics big man Griffin revealed on Monday that he will be wearing No. 91 for the coming season.

With his jersey number locked up, Griffin is also hoping to do what Rodman did five times in his legendary career — win a championship. ... Blake Griffin #91 of the Boston Celtics, ...

The Celtics needed depth in their frontcourt because Robert Williams is injured, and so they signed NBA veteran Blake Griffin to a one-year deal. Griffin, who wore No. 2 with the Nets , will wear ...

Blake Griffin is officially a member of the Boston Celtics, and he's already made team history with the selection of his new jersey number. The 2009 No. 1 overall draft pick signed a one-year ...

In a franchise as storied as the Celtics, retiring jerseys is a tradition, leaving newcomers with limited options. For Griffin, this meant getting creative when choosing his number. said Blake.

When Griffin joined the Celtics, he was nearing the end of his career. He was a solid option off the bench for the Celtics averaging 4.1 points and 3.8 rebounds per game.