Could Japan be the World Cup's dark horses?

Japan went unbeaten against European opposition at the last World Cup, beating Germany and Spain in the group stage and drawing with Croatia (1-1) in the round of 16 before being eliminated on penalties. [Getty Images]There is always at least one team that defies the odds and emerges as the surprise package of a World Cup.Just ask Morocco, Russia, and Costa Rica, three nations who have all produced memorable runs deep into the knockout stages in recent years despite the modest expectations headi