(Reuters) - Mexico's leading striker Oribe Peralta has left the Rio Olympics after breaking his nose, with midfielder Rodolfo Pizarro also returning home with a broken leg, the country's soccer federation confirmed on Monday. Mexico, the defending champions, are second in Group C of the Olympic tournament after two matches, having drawn 2-2 with Germany and beaten Fiji 5-1. Raul Lopez and Carlos Fierro have been named as their replacements. More...