Kirk Johnson - Boxing Rankings

{"name":"Kirk Johnson","historyByOrg":{"WBA":[{"month":"2003-02","rank":8,"weightClass":"Heavyweight"},{"month":"2003-05","rank":9,"weightClass":"Heavyweight"},{"month":"2003-07","rank":9,"weightClass":"Heavyweight"},{"month":"2003-08","rank":9,"weightClass":"Heavyweight"},{"month":"2003-09","rank":8,"weightClass":"Heavyweight"},{"month":"2006-06","rank":8,"weightClass":"Heavyweight"}],"WBC":[],"IBF":[],"WBO":[{"month":"2003-04","rank":5,"weightClass":"Heavyweight"},{"month":"2003-05","rank":4,"weightClass":"Heavyweight"},{"month":"2003-06","rank":4,"weightClass":"Heavyweight"},{"month":"2003-07","rank":4,"weightClass":"Heavyweight"},{"month":"2003-09","rank":4,"weightClass":"Heavyweight"},{"month":"2003-10","rank":4,"weightClass":"Heavyweight"}]}}