Oscar Rivas - Boxing Rankings

{"name":"Oscar Rivas","historyByOrg":{"WBA":[{"month":"2019-01","rank":7,"weightClass":"Heavyweight"},{"month":"2019-02","rank":6,"weightClass":"Heavyweight"},{"month":"2019-03","rank":6,"weightClass":"Heavyweight"},{"month":"2019-04","rank":8,"weightClass":"Heavyweight"},{"month":"2019-05","rank":8,"weightClass":"Heavyweight"},{"month":"2019-06","rank":7,"weightClass":"Heavyweight"}],"WBC":[],"IBF":[{"month":"2019-01","rank":7,"weightClass":"Heavyweight"},{"month":"2019-02","rank":7,"weightClass":"Heavyweight"},{"month":"2019-03","rank":7,"weightClass":"Heavyweight"},{"month":"2019-04","rank":6,"weightClass":"Heavyweight"},{"month":"2019-05","rank":7,"weightClass":"Heavyweight"},{"month":"2019-06","rank":8,"weightClass":"Heavyweight"}],"WBO":[{"month":"2019-03","rank":5,"weightClass":"Heavyweight"},{"month":"2019-04","rank":4,"weightClass":"Heavyweight"},{"month":"2019-05","rank":4,"weightClass":"Heavyweight"},{"month":"2019-06","rank":5,"weightClass":"Heavyweight"},{"month":"2019-07","rank":5,"weightClass":"Heavyweight"},{"month":"2019-08","rank":15,"weightClass":"Heavyweight"}]}}