{"name":"Roberto Arrieta","historyByOrg":{"WBA":[],"WBC":[],"IBF":[{"month":"2009-11","rank":14,"weightClass":"Super Featherweight"},{"month":"2009-12","rank":13,"weightClass":"Super Featherweight"},{"month":"2010-01","rank":13,"weightClass":"Super Featherweight"},{"month":"2010-02","rank":13,"weightClass":"Super Featherweight"},{"month":"2010-03","rank":12,"weightClass":"Super Featherweight"},{"month":"2010-04","rank":12,"weightClass":"Super Featherweight"}],"WBO":[]}}
Roberto Arrieta is not currently in the monthly rankings.
