Featherweight (MMA)

The featherweight division in mixed martial arts refers to different weight classes:
Ambiguity and clarification.
For the sake of uniformity, most American mixed martial arts media outlets consider Featherweight competitors to be between 136 and 145 lb (60 and 66 kg).
King of the Cage (KOTC) refers to its 145 lb (66 kg) division as "bantamweight" whereas Shooto refers to its 143 lb (65 kg) division as "lightweight". The UFC uses the Nevada definition of "featherweight".
The featherweight limit, as defined by the Nevada State Athletic Commission and the Association of Boxing Commissions is 145 lb (66 kg).
Professional champions.
Current champions.
These tables were last updated in August 2020. 
Men: 
Women: 
Most wins in featherweight title bouts.
Men: 
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Women: 
Amanda Nunes