Barcelona’s Lionel Messi celebrates scoring with Pep Guardiola during the Champions League Quarter Final vs Arsenal at Nou Camp in Barcelona, Spain on March 6, 2010.

Barcelona's Lionel Messi celebrates scoring with Pep Guardiola during the Champions League Quarter Final vs Arsenal at Nou Camp in Barcelona, Spain on March 6, 2010.

Barcelona’s Lionel Messi celebrates after scoring with his coach Pep Guardiola during the UEFA Champions League,Quarter Final, Second Leg Soccer match, FC Barcelona vs Arsenal at Nou Camp in Barcelona, Spain on March 6, 2010.