The biggest FIFA World Cup ever, with a record 48 teams set to play a record 104 matches spread out across the U.S., Canada and Mexico, is fast approaching. The three host nations automatically qualified for the field. Defending champion Argentina is back, and four nations — Cape Verde, Curacao , Jordan and Uzbekistan — will make their World Cup debuts. Here’s what to know about the World Cup: Tournament format — All teams are guaranteed three matches in the group stage of the tournament. Teams