The IRS could tax up to $43.75 million of Spain's $50 million World Cup prize as US-sourced income after the 2026 tournament was co-hosted in

The $51 million for Spain is a large sum, but it also pales in comparison to the fortunes that are spent on global soccer.

Spain clinched their second World Cup title with a 1-0 victory over Argentina, securing a record $50 million prize from FIFA, in addition to sponsorships.