FIFA President Gianni Infantino (AP Photo/Tony Gutierrez, File) Fan groups from across the world are calling for FIFA president Gianni Infantino to step down after his controversial attempt to sell future World Cup profits to private investors.The petition, launched on Thursday with the hashtag #InfantinoOut, also demands major changes to FIFA to prevent similar controversies in the future.Fans demand Infantino's exitThe petition was backed by groups including Football Supporters Europe, Football Supporters Africa and North America’s Independent Supporters Council, along with around 40 national fan organisations.“The shameful attempt...