Germany and South Korea represent entirely different challenges, but Mexico has succeeded against both and is proving to be a cohesive, headstrong unit ready for anything at this World Cup.

Brazil eventually broke through vs. Costa Rica, and Neymar eventually scored his goal, but the warning signs that could lead to the Seleção's World Cup downfall still remain.

An action-packed day at the World Cup featured a distinct set of difference-makers and set up a pair of riveting final matchdays in Groups D and E next week.

It's becoming evident that the best chance for Lionel Messi and this generation of Argentina players has passed. An uninspired showing vs. Croatia was the result of few ideas, horrible errors and no spirit, and their World Cup could be ending sooner than later.