How the 2002 World Cup squads redefined the rules of international football selection
In short: The 2002 FIFA World Cup marked a shift in how nations built their squads. From expanding rosters to 23 players to strict numbering mandates, the tournament forced teams to adapt their internal politics and logistics. Some nations relied on domestic talent, while others looked exclusively to the global stage.
The 2002 tournament, held in Japan and South Korea, featured 32 teams competing for the championship. For the first time, FIFA required each national association to submit a provisional squad of 23 players by 21 May 2002, an increase from the previous limit of 22. These rosters were finalized by the tournament's opening on 31 May, with player data such as age and club affiliation locked in as of that date.
Squad composition varied wildly across the globe. Saudi Arabia stood out as the only team whose roster consisted entirely of players from their domestic league, with zero representation from European clubs. In contrast, Cameroon relied exclusively on players employed by overseas clubs, while the Republic of Ireland drew its entire squad from the English league. In total, players from 43 different national leagues participated in the event, highlighting the growing internationalization of the sport.
Administrative hurdles also shaped the tournament's roster management. Argentina, for instance, initially attempted to retire the number 10 shirt to honor Diego Maradona, assigning shirt numbers 23 and 24 to players. FIFA intervened, insisting that all squads must use numbers ranging only from 1 to 23, forcing Argentina to revise their list. Other teams faced different challenges; Roy Keane famously left the Irish squad before the tournament began but remained on the official FIFA list as he was not replaced.
The age range of the participants was equally diverse. The oldest player was Denmark's Jan Heintze, who was 38 years and 287 days old at the start of the competition. At the other end of the spectrum, Nigeria's Femi Opabunmi was just 17 years and 89 days old. These figures underscore the unique blend of veteran experience and emerging talent that defined the 17th edition of the World Cup.
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- Summary by Intellect · source: 2002 FIFA World Cup squads
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