MIAMI, June 14 : Uruguay coach Marcelo Bielsa said on Sunday his medical staff had followed all the proper protocols in managing players' recovery from injury after several key squad members were sidelined ahead of the World Cup. With Uruguay set to open their World Cup campaign against Saudi Arabia on Monday, Bielsa defended his medical team's approach after defender Ronald Araujo suffered a muscle tear during training to join Jose Maria Gimenez and Giorgian de Arrascaeta on the injury list.