Oleg Yefimovich - Boxing Rankings

{"name":"Oleg Yefimovich","historyByOrg":{"WBA":[],"WBC":[],"IBF":[],"WBO":[{"month":"2010-05","rank":5,"weightClass":"Featherweight"},{"month":"2010-06","rank":4,"weightClass":"Featherweight"},{"month":"2010-07","rank":4,"weightClass":"Featherweight"},{"month":"2010-08","rank":5,"weightClass":"Featherweight"},{"month":"2010-09","rank":13,"weightClass":"Featherweight"},{"month":"2010-10","rank":13,"weightClass":"Featherweight"}]}}