AL AIN, UNITED ARAB EMIRATES - MAY 15: Manchester City owner Sheikh Mansour bin Zayed Al Nahyan are pictured during the friendly match between Al Ain and Manchester City at Hazza bin Zayed Stadium on May 15, 2014 in Al Ain, United Arab Emirates. (Photo by Francois Nel/Getty Images)
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The business behind Guardiola
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CNN's John Defterios on how the Man City manager is helping to take his club to new heights.
04:59 - Source: CNN
Barcelona -- the makings of an institution 9 videos
AL AIN, UNITED ARAB EMIRATES - MAY 15: Manchester City owner Sheikh Mansour bin Zayed Al Nahyan are pictured during the friendly match between Al Ain and Manchester City at Hazza bin Zayed Stadium on May 15, 2014 in Al Ain, United Arab Emirates. (Photo by Francois Nel/Getty Images)
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The business behind Guardiola
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Barcelona goalkeeper Andoni Zubizarreta (centre) and the rest of the team celebrate with the the trophy (Photo by Neal Simpson/EMPICS via Getty Images)
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Xavi hails Barca's 1992 Dream Team
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SAN SEBASTIAN, SPAIN - JANUARY 04: Xavi Hernandez of FC Barcelona walks on the pitch during the La Liga match between Real Sociedad de Futbol and FC Barcelona at Estadio Anoeta on January 4, 2015 in San Sebastian, Spain. (Photo by David Ramos/Getty Images)
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Xavi: I'm open to managing Qatar in 2022
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Beneath the lights of home: Xavi Hernandez in action for Barcelona at the Camp Nou.
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Barcelona legend Xavi reveals Ultimate Player
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Barcelona's Argentinian forward Lionel Messi celebrates after scoring during the Spanish league Clasico football match Real Madrid CF vs FC Barcelona at the Santiago Bernabeu stadium in Madrid on April 23, 2017. / AFP PHOTO / OSCAR DEL POZO (Photo credit should read OSCAR DEL POZO/AFP/Getty Images)
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Ter Stegen: 'Messi is the greatest ever'
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Pep Guardiola: 'No bigger title than to follow Cruyff legacy'
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(COMBO) This combination of pictures created on May 08, 2017 shows (L) Reza Parastesh, a doppelganger of Barcelona and Argentina's footballer Lionel Messi, poses for a picture in a street in Tehran on May 8, 2017, and (R) Barcelona's Argentinian forward Lionel Messi reactimg during the UEFA Champions League quarter final first leg football match Juventus vs Barcelona, on April 11, 2017 at the Juventus stadium in Turin. / AFP PHOTO / Atta KENARE AND Giuseppe CACACE (Photo credit should read ATTA KENARE,GIUSEPPE CACACE/AFP/Getty Images)
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Meet the Iranian Messi doppleganger
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Barcelona's coach Josep Guardiola gives a press conference in Barcelona on April 27, 2012. Pep Guardiola is leaving the club, ending a four-year reign over one of the greatest eras in club football, the club president announced Today
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Guardiola to end Barcelona reign
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Barcelona: A guide to the Catalan city
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