With that, these host cities are not going to be retaining as much revenue as they possibly could. Ticket sales revenue that is made during the World Cup. “The fact that a World Cup is going to be in Kansas City, ireland jersey 2023 bringing international renown to a venue which will have a lasting impact. While 23-man squads were previously used for the World Cup and European Championships, the COVID-19 pandemic led to the expansion of squads for international tournaments.