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BARCELONA, SPAIN - MAY 05: Lionel Messi of FC Barcelona (R) shakes hands with his Head coach Josep Guardiola of FC Barcelona after scoring his team's third goal during the La Liga match between FC Barcelona and RCD Espanyol at Camp Nou on May 5, 2012 in Barcelona, Spain. This is the last match as head coach of FC Barcelona for Josep Guardiola at the Camp Nou Stadium. (Photo by David Ramos/Getty Images)

BARCELONA, SPAIN - MAY 05:  Lionel Messi of FC Barcelona (R) shakes hands with his Head coach Josep Guardiola of FC Barcelona after scoring his team's third goal during the La Liga match between FC Barcelona and RCD Espanyol at Camp Nou on May 5, 2012 in Barcelona, Spain. This is the last match as head coach of FC Barcelona for Josep Guardiola at the Camp Nou Stadium.  (Photo by David Ramos/Getty Images)