Observer special report: Today it's an NFL game at Wembley, soon it might be the Super Bowl. Stand by for Man Utd v Milan in Miami, Major golf in India and a return to eight world titles in boxing.
The salesman
Kevin Mitchell meets Joe Bailey in Miami and hears the Dolphins' executive explain that sports will have to start thinking globally to keep old fans and attract new ones.
Sport gears up for global revolution
Exclusive: The NFL's London visit is just the start for sports shifting continents, as football, cricket and many other sports prepare to go global.
