Don't be too surprised as this World Cup has already been showing that 'underdog' players have come to win no matter the hype surrounding the bigger countries. Plus they wanted to show that not only trump could have a wall for Mexico *laugh*.
Mexico takes over World Cup with 1-0 victory over reigning champion Germany. In World Cup showdown, Mexico stuns Germany: 1-0. Germany, the World Cup champion, had never lost the first match of a title defense while Mexico had never beaten a reigning team. Source 6x.