I know nothing about the other game also called football (aka soccer) nor the World Cup. But, I recently read the below article and found it both informative and very entertaining.

The article fails to mention "The Game" when discussing rivalries, but but does a wonderful job on Alabama fans.

http://msn.foxsports.com/college-football/outkick-the-coverage/the-world-cup-for-dummies-061114