Sant Joan Despí (Spain), 2 Dec (EFE).- FC Barcelona manager Luis Enrique Martínez understands that there exists a large difference between his side and Wednesday's Copa del Rey opponents, Huesca (Second B Division), but has told his players that they must show it on the pitch. br br br br Keywords: efe,football,soccer,barcelona,training,luis enrique. br br br br br br © EFE 2014. Está expresamente prohibida la redistribución y la redifusión de todo o parte de los contenidos de los servicios de Efe, sin previo y expreso consentimiento de la Agencia EFE S.A.