#2 Cris Cyborg (UFC record, 5-0)
The 33 year old Brazilian first signed with the UFC in 2015 after making a name for herself in Invicta FC. Having lost her very first MMA match, Cyborg has remained unbeaten ever since.
After comfortably winning her first two UFC bouts against Leslie Smith and Lina Lansberg respectively, Cyborg challenged Tonya Evinger for the vacant Featherweight Championship at UFC 214. Cyborg won the title with knee strikes in the third round and hasn't looked back since.
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Cyborg defeated perennial contender, Holly Holm in her first title defence at UFC 219, before repeating the feat against Yana Kuniskaya at UFC 222. Cyborg is the woman to beat in UFC today.