Fans cheer after a 3-pointer by Boston Celtics guard Isaiah Thomas (4), as referee Mike Callahan cuts in front of retired boxer Floyd Mayweather Jr., in plaid shirt, during the second half of the Celtics’ NBA basketball game against the Washington Wizards in Boston, Wednesday, Jan. 11, 2017. The Celtics defeated the Wizards 117-108. (AP Photo/Charles Krupa)