#1 Amanda Nunes (UFC record, 9-1)
Much like Cris Cyborg, Amanda Nunes also lost her first MMA bout. Similarly to Cyborg, she also hasn't looked back since.
Making her UFC debut in 2013, Nunes defeated Sheila Gaff with brutal punches and elbows and followed that up with another devastating display of striking power, against Germaine de Randamie.
Get the latest updates on One Championship Rankings at Sportskeeda and more
Nunes then suffered a setback versus Cat Zingano, as for once she was out-struck by an opponent.
Nunes however, soon put defeat behind her, racking up impressive victories over high calibre opposition in the form of Shayna Baszler, Sara McMann and Valentina Shevchenko.
That win streak earned her a shot at Miesha Tate's UFC Bantamweight Championship at UFC 200. Nunes in the "performance of the night" submitted Tate to become the new Champion.
At title, Nunes next defended against the returning, Ronda Rousey. Nunes sent Rousey packing into retirement with a devastating display of striking prowess as she defeated the former Champion in 48 seconds.
Nunes has continued her impressive four-year winning streak defending the title against Shevchenko and Raquel Pennington. The most impressive aspect about Nunes is that she is not finished yet. The greatest female performer in UFC history is on her way to building a legacy.