BOSTON, MA - APRIL 13: Marcus Smart #36 and head coach Brad Stevens of the Boston Celtics look on in the second quarter against the Miami Heat at TD Garden on April 13, 2016 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 Mike Lawrie/Getty Images)