When Dominican Oxandia Castillo won the female WBO jr midlleweight title by stopping favored Hanna Gabriel in Costa Rica on February 28th of this year, she became at 18 boxing's youngest current world titleholder, male or female. The previously unknown…
and Gabriel Castillo, set to graduate from Columbia, will next fight for a spot on Panama's 2012 Olympic boxing team. They've got the brains and the brawn…