Novak Djokovic pushes past shoulder pain to advance to US Open 3rd round
(CNN) -- Novak Djokovic, as initially expected, won his US Open second-round match against Juan Ignacio Londero on Wednesday.
But despite the scoreline of 6-4, 7-6(3), 6-1, there could be major concerns for the world No. 1 and defending champion.
Djokovic, with pain in his left shoulder, was in initial trouble against the Argentine.
The 16-time major champion, who had visits from the trainer multiple times, could be seen grimacing early and was shaking out his left arm during...