KEY BISCAYNE, FL - MARCH 28: Nick Kyrgios of Australia returns a shot against David Goffin of Belguim during Day 9 of the Miami Open at Crandon Park Tennis Center on March 28, 2017 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)
KEY BISCAYNE, FL - MARCH 28: Nick Kyrgios of Australia returns a shot against David Goffin of Belguim during Day 9 of the Miami Open at Crandon Park Tennis Center on March 28, 2017 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)