KEY BISCAYNE, FL - MARCH 24: Key Nishikori of Japan celebrates his win over Kevin Anderson of South Africa during the Miami Open at the Crandon Park Tennis Center on March 24, 2017 in Key Biscayne, Florida. (Photo by Matthew Stockman/Getty Images)
KEY BISCAYNE, FL - MARCH 24: Key Nishikori of Japan celebrates his win over Kevin Anderson of South Africa during the Miami Open at the Crandon Park Tennis Center on March 24, 2017 in Key Biscayne, Florida. (Photo by Matthew Stockman/Getty Images)