Héctor Marchena de la O is a former Costa Rican soccer player who used to play for C.S. Cartaginés and Club Sport Herediano. He was part of the national team squad, that played in the 1990 FIFA World Cup held in Italy, and featured in all four games played. The defender made his debut for the "Tico's" in 1987 and collected 48 caps, scoring no goals. He played his last international on January 19, 1994 against Norway. Wikipedia
The definitive Wikipedia entry for Héctor Marchena. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/H%c3%a9ctor_Marchena