المدربين الغريمين Real Madrid's coach Jose Mourinho (R) and Barcelona's coach Pep Guardiola look on during their Spanish first division soccer match at Santiago Bernabeu stadium in Madrid in this April 16, 2011 file photo. One intriguing sideshow to Barcelona's Champions League semi-final against Real Madrid is the duel between two coaches who have a shared history and similar working methods but starkly contrasting personalities. When the La Liga giants clash in their first leg at Real's Bernabeu stadium on April 26, the third of four Spanish "Clasicos" in 18 days, Barca's pensive, enigmatic manager, the Catalan Guardiola, will again lock horns with outspoken Portuguese Mourinho. 15:58 - 25 أبريل 2011