Lukasz Kubot Pictures
NEW YORK, NY - SEPTEMBER 07: Jack Sock and Mike Bryan of The United States celebrate victory with the winners trophy next to runners up Lukasz Kubot of Poland and Marcelo Melo of Brazil following the men's doubles final on Day Twelve of the 2018 US Open at the USTA Billie Jean King National Tennis Center on September 7, 2018 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)