The major difference from any iteration of the tournament is that 48 teams will compete in it for the first time. That means ...

With the largest World Cup field ever (48 teams), you're going to need a lot of stadiums to host the 104 matches.

Along with Mexico and Canada, the United States is co-hosting a tournament it hopes will become a highly lucrative business.

The expanded 48-team World Cup has given some of world soccer's minnows the chance to join the sport's biggest party.