 Sergio Hierrezuelo Castellanos akaberekwa musi wa15 Kurume 1982 mutambi wemuCuba akasiya basa uyo aive nyanzvi mumakwikwi emamita mazana mana. Akasvika kumasemifinals e2005 World Championships. Mukuwedzera, pakuvamba mubasa rake akawana menduru yesirivha pa1999 World Youth Championships. 