
Juan Martin del Potro stuns world No. 1 Novak Djokovic in first round of Rio Olympics
RIO DE JANEIRO (AP) — Juan Martin del Potro sobbed into Novak Djokovic's shoulder, the two opponents locked in a long embrace at the net. Djokovic would walk off the court weeping, too. For one man, a victory over the world's No. 1 tennis player that could resurrect a career