Quote (HeLiCaL @ 12 Apr 2018 15:22)
you can defend belt if you can lose belt if you lose
he fought for the featherweight championship title who was hold by Jose Aldo. Aldo was the only one who defended something when he fought conor December 12, 2015.
If conor fought as the interim belt vs any other fighter, then yes, conor could have lost his interim title except vs Aldo, period !