In Pictures: Mourinho v Guardiola

Barcelona v Real Madrid brings together the two highest-earning sports clubs with combined revenues of $1 billion [GALLO/GETTY]

Real coach Jose Mourinho loves to get under the skin of his opponents [EPA]

His carefully designed press conferences are designed to infuriate the opposition [GALLO/GETTY]

Pep Guardiola, mild-mannered coach of Spanish giants Barcelona is the latest target for Mourinho [GALLO/GETTY]

Guardiola is expected to take a sabbatical after quitting the Catalan giants, but who are the teams that might show an interest? [GETTY]

"[Mourinho] is the f*****g chief, the f*****g man, the person who knows everything about the world," he said [AFP]

Or is this all part of the mindgames? [EPA]

Barcelona started the season well with a 5-0 drubbing of Real Madrid in November last year in the Primera Division [EPA]

But Real responded with a 1-1 draw in early April [GALLO/GETTY]

Although Mourinho relied on tactics described as "boring", with comparisons to a mouse against a lion of a Catalan team [EPA]

This year Real ended an 18-year wait for a Copa del Rey final with an extra-time win over Barcelona [GALLO/GETTY]

Last season, as coach of Inter Milan, Jose Mourinho knocked Barcelona out of the 2010 Champions League semifinals [GALLO/GETTY]

But this year Barcelona gained the upper hand in the Champions League first-leg, with a convincing 2-0 win [GALLO/GETTY]

The game was not without drama as Mourinho was benched and Real reduced to 10 men [GALLO/GETTY]

A war of words has erupted with both sides reporting each other to UEFA [GALLO/GETTY]

The semifinal may be all but decided, but has the master magician any tricks left? [EPA]