Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Juan Roberto Seminario Rodríguez (born 22 July 1936 in Piura, Peru) is a retired Peruvian football player, recognized as one of Peru's most important strikers. Nicknamed "El Loco" he is the only Zaragoza player to have won the "Pichichi Trophy" (1961-62 La Liga). He played for several clubs, notably Spanish clubs Real Zaragoza and FC Barcelona, Sporting CP of Portugal, as well as Italian club Fiorentina. He also won the Inter-Cities Fairs Cup 1965-66 with FC Barcelona.