KEY BISCAYNE, FL - MARCH 30: Rafael Nadal of Spain and Novak Djokovic of Serbia pose for photographers after the final of the Sony Open at the Crandon Park Tennis Center on March 30, 2014 in Key Biscayne, Florida. (Photo by Matthew Stockman/Getty Images)

KEY BISCAYNE, FL - MARCH 30:  Rafael Nadal of Spain and Novak Djokovic of Serbia pose for photographers after the final of the Sony Open at the Crandon Park Tennis Center on March 30, 2014 in Key Biscayne, Florida.  (Photo by Matthew Stockman/Getty Images)