Novak Djokovic won his fourth Key Biscayne title, while Rafael Nadal failed again trying for his first. Djokovic dominated from the start and closed out the victory by winning a remarkable exchange to beat Nadal 6-3, 6-3 Sunday in the final of the Sony Open. Nadal fell to 0-4 in finals at Key Biscayne, one of just three ATP Masters 1000 events he has yet to win. As for Djokovic, only six-time champion Andre Agassi has won the men's event more. More...