大象传媒

Which is the greatest club football side of all time? A panel of football experts debate the subject, five days before Pep Guardiola's Barcelona take on Sir Alex Ferguson's Manchester United in the Champions League final at Wembley.

With superstars like Lionel Messi, Xavi and Andres Iniesta and several trophies to boot, some believe this Barca team could go down in history as one of the finest exponents of their sport.

But are they better than the Real Madrid team of Ferenc Puskas and Alfredo di Stefano in the 1960s, Johan Cruyff's Ajax side in the 1970s, the Liverpool of Kenny Dalglish in the 1980s, AC Milan's all-conquering 1990s outfit, or the Arsenal Invincibles of 2003-2004?