The pitfalls when soccer tries to break into the US and Asian markets - and when American football tries to break into Europe.

Ed Butler looks at the plan by Javier Tebas, president of La Liga, to take the top-flight Spanish football league international. It includes an as yet unsuccessful attempt to stage a regular football fixture in the USA. Dan Jones, head of the sports business group at Deloitte, says Tebas is correct to see great opportunities, but Spanish sports journalist Alvaro Romeo explains why he's run into so much resistance.

Tebas can look to the success of the UK's Premier League in internationalising its brand, or indeed America's National Football League. But has the NFL actually made any profit from its long-running campaign to build a fan-base in the UK? Ed speaks to the their UK director Alistair Kirkwood.

(Picture: Marcelo of Real Madrid takes the shot on goal during the International Champions Cup Friendly match between Atletico de Madrid and Real Madrid at MetLife Stadium in New Jersey, America; Credit: Ira L. Black/Corbis via Getty Images)