Since Pep Guardiola's appointment as head coach at Barcelona in 2008, the mercurial coach has found he has regularly locked horns with his fierce managerial rival - the self proclaimed 'Special One' Jose Mourinho - whether domestically or in European competition. However, as in many previous contests the Portuguese coach failed once again to defeat the charismatic Spaniard. So is there in fact a serious rivalry between the pair or is it all superficial hype due to the gaping professional...
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