Switzerland flew under the radar and were clever about playing the FIFA rankings game that determines seeding to get here, but you fear this is where they get exposed. Serbia have individuals (such as the magnificently unorthodox Sergej Milinkovic Savic) more than they have a team. Peru have their charismatic captain, Paolo Guerrero, back for the World Cup and it has given the talented Ricardo Gareca hope on their big stage return after 36 years, but World Cups rarely do…