Highest Earning Soccer Clubs

As the European soccer season gets underway in August, the best teams in the world will not only be competing for the accolades that come with trophy success, but also for the financial rewards it brings.

As champions of Europe, Barcelona are the undisputed kings of the pitch, but rivals Real Madrid topped Deloitte's annual 'Money League' for the sixth year running.

Deloitte compares income from broadcasting, ticket sales and commercial deals and this latest list covers revenues for the 2009/2010 season, with all in the top six maintaining their position for a second successive year.

The combined income of the twenty highest earning clubs passed the 4 billion euro mark ($5.75 billion) for the first time in 2010, an 8 percent increase on the season before, showing that so-called 'beautiful game' is also the most lucrative.

So which teams made the top ten and is Manchester United really the most valuable sports franchise in the world? Click ahead to find out.