BBC Sport explores why Saudi Arabia are participating in a tournament for North and Central American countries

The quarterfinals will take place on Saturday and Sunday at StateFarm Stadium in the Phoenix suburbs and U.S. Bank Stadium in Minneapolis, respectively, with doubleheaders set in each stadium. All eight teams will target a spot in the semifinals on July 2 before two clinch a spot in the final on July 6.

Saturday's Mexico vs. Saudi Arabia Gold Cup quarter-final isn't just another knockout game. This is a football match loaded with symbolism, power plays, and billion-dollar consequences. When these two sides clash in Glendale's State Farm Stadium,