Gerson Guerrero - Boxing Rankings

{"name":"Gerson Guerrero","historyByOrg":{"WBA":[{"month":"2006-04","rank":13,"weightClass":"Super Flyweight"},{"month":"2009-07","rank":12,"weightClass":"Super Flyweight"},{"month":"2009-10","rank":10,"weightClass":"Super Flyweight"},{"month":"2009-11","rank":10,"weightClass":"Super Flyweight"},{"month":"2009-12","rank":10,"weightClass":"Super Flyweight"},{"month":"2010-01","rank":10,"weightClass":"Super Flyweight"}],"WBC":[],"IBF":[],"WBO":[{"month":"2005-12","rank":7,"weightClass":"Super Flyweight"},{"month":"2006-01","rank":7,"weightClass":"Super Flyweight"},{"month":"2006-02","rank":6,"weightClass":"Super Flyweight"},{"month":"2006-03","rank":4,"weightClass":"Super Flyweight"},{"month":"2006-04","rank":3,"weightClass":"Super Flyweight"},{"month":"2006-05","rank":15,"weightClass":"Super Bantamweight"}]}}