Tennis great Djokovic exits US Open in first round amid tears and pain

Novak Djokovic suffered a shocking first-round defeat at the US Open to unseeded Argentinian Mariano Navone, losing in five sets after a four-hour and 36-minute marathon. At 39 years old, Djokovic faced his earliest exit from a Grand Slam since 2006, making 70 unforced errors. He expressed discomfort on the court, mentioning ongoing health issues, including vomiting and cramping.