Sebastian Sylvester - Boxing Rankings

{"name":"Sebastian Sylvester","historyByOrg":{"WBA":[{"month":"2008-12","rank":6,"weightClass":"Middleweight"},{"month":"2009-01","rank":6,"weightClass":"Middleweight"},{"month":"2009-02","rank":6,"weightClass":"Middleweight"},{"month":"2009-03","rank":7,"weightClass":"Middleweight"},{"month":"2009-04","rank":6,"weightClass":"Middleweight"},{"month":"2009-05","rank":7,"weightClass":"Middleweight"}],"WBC":[],"IBF":[{"month":"2011-08","rank":12,"weightClass":"Middleweight"},{"month":"2011-10","rank":15,"weightClass":"Middleweight"},{"month":"2011-11","rank":15,"weightClass":"Middleweight"},{"month":"2011-12","rank":15,"weightClass":"Middleweight"},{"month":"2012-01","rank":15,"weightClass":"Middleweight"},{"month":"2012-02","rank":15,"weightClass":"Middleweight"}],"WBO":[{"month":"2009-09","rank":3,"weightClass":"Middleweight"},{"month":"2011-05","rank":11,"weightClass":"Middleweight"},{"month":"2011-06","rank":10,"weightClass":"Middleweight"},{"month":"2011-07","rank":10,"weightClass":"Middleweight"},{"month":"2011-08","rank":10,"weightClass":"Middleweight"},{"month":"2011-09","rank":10,"weightClass":"Middleweight"}]}}