{"name":"Gunnar Jackson","historyByOrg":{"WBA":[],"WBC":[],"IBF":[],"WBO":[{"month":"2015-01","rank":15,"weightClass":"Middleweight"},{"month":"2015-02","rank":15,"weightClass":"Middleweight"},{"month":"2015-03","rank":15,"weightClass":"Middleweight"},{"month":"2015-04","rank":12,"weightClass":"Middleweight"},{"month":"2015-05","rank":12,"weightClass":"Middleweight"},{"month":"2015-06","rank":11,"weightClass":"Middleweight"}]}}
Gunnar Jackson is not currently in the monthly rankings.
