NEW YORK, NY - SEPTEMBER 09: Madison Keys of the United States reacts against Sloane Stephens of the United States during their Women's Singles finals match on Day Thirteen of the 2017 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2017 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Abbie Parr/Getty Images)
