NEW YORK, NY - SEPTEMBER 8 :  Marin Cilic of Croatia (2nd R)and Kei Nishikori of Japan (L) pose with trophies after defeating after the men's singles final match on Day 15 of the 2014 US Open at the USTA Billie Jean King National Tennis Center in New York, United States on September 8, 2014. (Photo by Bilgin Sasmaz/Anadolu Agency/Getty Images)