“While 4-2-3-1 remains the dominant formation, there’s a decent amount of tactical variety on show at this World Cup. The United States are expected to add to this variety by using a diamond midfield, which might be unique among the 32 teams. Jurgen Klinsmann has spent recent weeks telling the press that the formation doesn’t matter, but the switch to the diamond in April’s 2-2 friendly draw against Mexico was a significant move, and was designed to bring the best out of the USA’s outstanding player, Michael Bradley.” Zonal Marking