By Robbie Blakeley, Contributing Sports Reporter
RIO DE JANEIRO, BRAZIL - The first 2016 Olympics venue to be opened has passed its debut examination with flying colors. The Athletes' Park served as the "Cidade do Rock," hosting the 2011 Rock in Rio music festival last week, and the Rio 2016 Olympic Organizing Committee can breathe a collective sigh of relief that it hosted 700,000 people over the . . .