Born in L'Hospitalet de Llobregat, Barcelona, Catalonia, Sergio started out at local CE L'Hospitalet, moving to neighbouring RCD Espanyol in 1995 and going on to spend nearly three years with its reserves in the third division.
Born in L'Hospitalet de Llobregat, Barcelona, Catalonia, Sergio starting out at local CE L'Hospitalet. He moved to Catalonia neighbours RCD Espanyol, going on to spend nearly three years with its reserves, in the third division.