
Djokovic earned his fifth Key Biscayne title Sunday, beating Andy Murray for the seventh consecutive time by showing superior stamina in the subtropical heat to win the Miami Open final 7-6 (3), 4-6, 6-0.
Murray broke in the final game of the second set to even the match, but fatigue then became a factor on a sunny, humid, 80-degree afternoon. Djokovic was the fitter player down the stretch.
"It was brutal. It's very warm," Djokovic said. "I...