The 2011 Copa del Rey was a specific type of rivalry, given this name to any match between which groups?
2011 Copa del Rey Final: The 2011 Copa del Rey Final was the 109th final since its establishment. El Clásico: El Clásico (] ; Catalan: "El Clàssic" , ] ; "The Classic" ) is the name given in football to any match between fierce rivals Real Madrid and FC Barcelona.
Real Madrid and FC Barcelona