KEY BISCAYNE, FL - APRIL 05:  Novak Djokovic of Serbia celebrates a point against  Andy Murray of Great Britain  during the Men's final match on day 14 of the Miami Open at Crandon Park Tennis Center on April 5, 2015 in Key Biscayne, Florida.  (Photo by Al Bello/Getty Images) ORG XMIT: 544181887 Photo: Al Bello / 2015 Getty Images