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A Fan Cheers Getty Images

BOSTON, MA - MAY 21: A fan cheers on the Boston Celtics in the second half against the Philadelphia 76ers in Game Five of the Eastern Conference Semifinals in the 2012 NBA Playoffs on May 21, 2012 at TD Garden 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 Elsa/Getty Images)