NEW YORK, NY - SEPTEMBER 9: Finalist Juan Martin del Potro of Argentina, winner Novak Djokovic of Serbia (behind left) during the trophy ceremony following the men's final on day 14 of the 2018 US Open at Arthur Ashe Stadium of USTA Billie Jean King National Tennis Center on September 9, 2018 in Flushing Meadows, Queens, New York City. (Photo by Jean Catuffe/Getty Images)
