 They were overtaken by Real Madrid for the next four years, but Manchester United returned to the top of the "Forbes" list in June 2017, with a valuation of $3.689 billion.The core strength of Manchester United's global brand is often attributed to Matt Busby's rebuilding of the team and subsequent success following the Munich air disaster, which drew worldwide acclaim.The "iconic" team included Bobby Charlton and Nobby Stiles (members of England's World Cup winning team), Denis Law and George Best.