Juan Carlos Osorio hit all the right notes in Mexico's stunning win over Germany, while set pieces continued to play a big role, with Switzerland tying Brazil and Serbia beating Costa Rica on dead-ball situations.
Iceland opened its first World Cup with a stunning draw vs. Lionel Messi's Argentina, while the use of technology and the ability (or lack thereof) to convert from 12 yards out played a big role in Day 3 in Russia.
Four years ago, Joshua Kimmich watched Germany win the World Cup with his teammates in the German third division. Now, he's marking the world's top players and is the heir to the great Philipp Lahm in Russia.
Lionel Messi and Cristiano Ronaldo have reset the standard for the modern player and have been pitted against one another in a greatness debate for years. But with age creeping up, Russia may well be their final World Cup bow.