Novak Djokovic beats Potro to win 3rd US Open

Novak Djokovic beats Potro to win 3rd US Open Novak Djokovic clinched his third US Open title on Sunday with a 6-3, 7-6 (7/4), 6-3 triumph over Juan Martin del Potro, taking him level with Pete Sampras’s mark of 14 Grand Slams. Djokovic, playing in his eighth final in New York and already the champion in 2011 and…