Mizuto Hirota competes in Featherweight division, which refers to what weight class?
Featherweight (MMA) The featherweight division in mixed martial arts refers to different weight classes:
NWA World Junior Heavyweight Championship (Zero1) The New Wrestling Alliance (NWA) World Junior Heavyweight Championship is a professional wrestling championship owned by the Japanese Pro Wrestling Zero1 promotion. The title is meant for wrestlers under the weight limit of 100 kg , referred to as "junior heavyweights" in Japan.