Getty BOSTON, MASSACHUSETTS - MAY 05: Head coach Joe Mazzulla of the Boston Celtics reacts against the New York Knicks during overtime in Game One of the Eastern Conference Second Round NBA Playoffs at TD Garden on May 05, 2025 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 Maddie Meyer/Getty Images) The Boston Celtics