Sarfo Tyson - Boxing Rankings

{"name":"Sarfo Tyson","historyByOrg":{"WBA":[],"WBC":[],"IBF":[],"WBO":[{"month":"2011-10","rank":13,"weightClass":"Lightweight"},{"month":"2011-11","rank":13,"weightClass":"Lightweight"},{"month":"2011-12","rank":13,"weightClass":"Lightweight"},{"month":"2012-01","rank":13,"weightClass":"Lightweight"},{"month":"2012-02","rank":12,"weightClass":"Lightweight"},{"month":"2012-03","rank":12,"weightClass":"Lightweight"}]}}