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MIAMI GARDENS, FLORIDA - MARCH 31: Roger Federer of Switzerland poses with the winners trophy after defeating John Isner in straight sets during the Men's Final match on day 14 of the Miami Open presented by Itau at Hard Rock Stadium on March 31, 2019 in Miami Gardens, Florida. (Photo by Al Bello/Getty Images)

MIAMI GARDENS, FLORIDA - MARCH 31:  Roger Federer of Switzerland poses with the winners trophy after defeating John Isner in straight sets during the Men's Final match on day 14 of the Miami Open presented by Itau at Hard Rock Stadium on March 31, 2019 in Miami Gardens, Florida. (Photo by Al Bello/Getty Images)