BOSTON, MA - FEBRUARY 11: Former Boston Celtics player Paul Pierce #34 raises a banner retiring his number during a ceremony in his honor after a game between the Boston Celtics and the Cleveland Cavaliers at TD Garden on February 11, 2018 in Boston, Massachusetts. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Adam Glanzman/Getty Images)