BOSTON, MA - APRIL 19: Head coach Joe Mazzulla of the Boston Celtics applauds his team during the second quarter of Game One of the Eastern Conference First Round NBA Playoffs against the Philadelphia 76ers at TD Garden on April 19, 2026 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 Winslow Townson/Getty Images)