NEW YORK, NY - SEPTEMBER 11: Stan Wawrinka of Switzerland celebrates alongside second place Novak Djokovic of Serbia during their Men's Singles Final Match on Day Fourteen of the 2016 US Open at the USTA Billie Jean King National Tennis Center on September 11, 2016 in the Queens borough of New York City. Wawrinka won 6-7, 6-4, 7-5, 6-3. (Photo by Chris Trotman/Getty Images for USTA)