Petr Petrov - Boxing Rankings

{"name":"Petr Petrov","historyByOrg":{"WBA":[{"month":"2016-09","rank":1,"weightClass":"Lightweight"},{"month":"2016-10","rank":1,"weightClass":"Lightweight"},{"month":"2016-11","rank":1,"weightClass":"Lightweight"},{"month":"2016-12","rank":1,"weightClass":"Lightweight"},{"month":"2017-01","rank":1,"weightClass":"Lightweight"},{"month":"2017-02","rank":1,"weightClass":"Lightweight"}],"WBC":[],"IBF":[{"month":"2018-02","rank":10,"weightClass":"Super Lightweight"}],"WBO":[{"month":"2017-07","rank":10,"weightClass":"Lightweight"},{"month":"2017-08","rank":10,"weightClass":"Lightweight"},{"month":"2017-09","rank":10,"weightClass":"Lightweight"},{"month":"2017-10","rank":10,"weightClass":"Lightweight"},{"month":"2017-11","rank":11,"weightClass":"Lightweight"},{"month":"2017-12","rank":12,"weightClass":"Lightweight"}]}}