European soccer body UEFA has threatened FIFA with legal action over Gianni Infantino’s failed plan to sell a stake in future World Cup profits to private investors, and said any potential evidence should not be destroyed. Infantino’s secretive proposal to raise $4.2 billion from investors including the New York investment firm of Joshua Kushner was dropped early Saturday, days after the revelation in media reports provoked a global furor. UEFA led the backlash and on Thursday its 55 member federations met to agree boycotting all FIFA events and competitions while the proposal was active.