Novak Djokovic revealed he was vomiting and cramping throughout his shocking first-round U.S. Open loss to Argentina's Mariano Navone in five sets.
https://www.foxnews.com/outkick-sports/novak-djokovic-suffers-stunning-defeat-first-round-us-open-trying-battle-through-ailments
https://www.foxnews.com/outkick-sports/novak-djokovic-suffers-stunning-defeat-first-round-us-open-trying-battle-through-ailments