Real Madrid teammates Cristiano Ronaldo, left, and Luka Modrić go against each other in a Portugal vs. Croatia friendly match in June 2013. (Photo by Fanny Schertzer via Wikipedia) I'm not a soccer or World Cup fan, but many of my social media pals are. That's why my Twitter feed is full of updates on upsets and expected results from this year's tournament hosted by Russia. But those sports fans have overlooked one thing. Some of soccer's — football to the world beyond the United States —…