Sergey Kovalev - Boxing Rankings

{"name":"Sergey Kovalev","historyByOrg":{"WBA":[{"month":"2017-05","rank":2,"weightClass":"Light Heavyweight"},{"month":"2017-06","rank":5,"weightClass":"Light Heavyweight"},{"month":"2017-07","rank":5,"weightClass":"Light Heavyweight"},{"month":"2017-08","rank":5,"weightClass":"Light Heavyweight"},{"month":"2017-09","rank":6,"weightClass":"Light Heavyweight"},{"month":"2017-10","rank":6,"weightClass":"Light Heavyweight"}],"WBC":[{"month":"2022-12","rank":4,"weightClass":"Cruiserweight"},{"month":"2023-01","rank":4,"weightClass":"Cruiserweight"},{"month":"2023-02","rank":4,"weightClass":"Cruiserweight"}],"IBF":[{"month":"2022-10","rank":8,"weightClass":"Cruiserweight"},{"month":"2022-11","rank":8,"weightClass":"Cruiserweight"},{"month":"2022-12","rank":8,"weightClass":"Cruiserweight"},{"month":"2023-01","rank":6,"weightClass":"Cruiserweight"},{"month":"2023-02","rank":6,"weightClass":"Cruiserweight"},{"month":"2023-03","rank":9,"weightClass":"Cruiserweight"}],"WBO":[{"month":"2023-02","rank":4,"weightClass":"Cruiserweight"},{"month":"2023-03","rank":4,"weightClass":"Cruiserweight"},{"month":"2023-04","rank":8,"weightClass":"Cruiserweight"},{"month":"2023-05","rank":14,"weightClass":"Cruiserweight"},{"month":"2023-06","rank":14,"weightClass":"Cruiserweight"},{"month":"2025-07","rank":8,"weightClass":"Cruiserweight"}]}}