Novak Djokovic beats Cam Norrie to reach the 4th round of the U.S. Open
Djokovic, 38, seemed in jeopardy of matching his earliest exit in Flushing Meadows when he needed medical attention near the end of the first set....
Djokovic, 38, seemed in jeopardy of matching his earliest exit in Flushing Meadows when he needed medical attention near the end of the first set....