Novak Djokovic celebrates winning the Mens' Final at the US Open

Novak Djokovic of Serbia greets Juan Martin del Potro of Argentina at the net after his win in 3 sets in the Men's Final in Arthur Ashe Stadium at the 2018 US Open Tennis Championships at the USTA Billie Jean King National Tennis Center in New York City on September 9, 2018. Photo by Corey Sipkin/UPI