Barcelona's magnificent 3-1 win over Manchester United in the Champions League final at Wembley on Saturday prompted claims that they are the greatest European club side in history.

The intricate passing game of Xavi, Andres Iniesta and reigning FIFA Ballon d'Or Lionel Messi has beguiled fans from all over the world, while coach Pep Guardiola has now won 10 major trophies since being appointed in 2008.