Amanda Nunes walked into the UFC with knockout power, a submission game that could end any fight at any moment, and a chin that made people look twice. She walked out as the most decorated female fighter in the history of the sport. And if we are having a real conversation about the greatest female MMA fighter of all time, the conversation starts and ends with her.
Let's put the numbers on the table first. Nunes held the bantamweight championship from 2016 to 2022 and the featherweight championship from 2018 to 2022. She became the first woman in UFC history to hold two titles simultaneously. She defended both of those belts. That alone would be enough to cement a legacy. But the names she beat along the way are what separate her from everyone else.
Ronda Rousey. Miesha Tate. Valentina Shevchenko. Cris Cyborg. Holly Holm. Julianna Pena. These are not journeymen opponents. These are champions, hall of famers, and fighters who had already dismantled entire divisions. Nunes fought them all and beat almost all of them. The one blemish on her record, the first Pena fight, she avenged with a dominant rematch performance that reminded everyone who was actually the best.
What makes Nunes so special is not just the wins but how she won. She knocked out Rousey in 48 seconds at a time when Rousey was still being treated like an unbeatable force. She stopped Cyborg, who had been physically overwhelming every opponent she faced for years. She beat Shevchenko twice, even though those fights were closer and showed that Valentina is legitimately elite. Every time someone presented a credible challenge, Nunes answered it.
Her striking is what people notice first. She has elite boxing, excellent timing, and she hits with the kind of power that makes heavyweight trainers pay attention. But the thing that gets underappreciated is how good her Brazilian jiu-jitsu is. She is a black belt who can finish fights on the ground, and that threat alone shapes how opponents approach her. Nobody wants to go to the mat with Amanda Nunes unless they have a death wish.
The comparison points are interesting to work through. Ronda Rousey transformed the sport, yes. She opened doors that had been shut. But her run was shorter, her level of competition was more limited given the era, and she lost badly when the elite talent started catching up. Cyborg had a long, decorated career, but she spent most of it at a weight class where she was significantly larger than her opponents, and when she moved to 145 in the UFC, Nunes ended it in a round.
Valentina Shevchenko has a legitimate argument for being the most technically complete women's fighter ever. Her run at flyweight was historic. But she never held two titles simultaneously, never beat the full range of champions Nunes has, and lost to Nunes twice. That matters.
Nunes also gets points for longevity and for competing against the best available. She did not cherry-pick opponents. She fought Shevchenko again in a rematch when she did not have to. She went up to featherweight to chase a second title when she could have just defended bantamweight indefinitely. The ambition and the willingness to test herself at every level is part of what builds a GOAT case.
There is also the character piece. Amanda Nunes has carried herself with tremendous dignity throughout her career. She came out as gay in 2015 and has been openly proud of who she is at a time when that still takes courage in combat sports. She married fellow fighter Nina Ansaroff in 2021. She has two children. She has shown that you can be fully yourself, fully present in your personal life, and still compete at the absolute highest level of the sport.
What she did for visibility matters too. Every time Nunes headlined a card, it was a statement. Female fighters have spent years being pushed to co-main event status at best, and Nunes walked out as the headliner multiple times, sold pay-per-views, and delivered. The idea that women's fights could not be the biggest fight on the card died with her career.
The legacy question is not really a question at this point. If you make a list of the ten greatest women's MMA fighters of all time, Nunes is first. That is not recency bias. That is looking at the evidence: the titles, the defenses, the names she beat, and the manner in which she beat them.
She announced her retirement in 2023 after losing the bantamweight title back to Pena and failing to recapture it. Some people pointed to that final chapter as a knock against her legacy. It is not. Every fighter has a decline. What matters is the peak, the longevity, and what you built. By every measure, what Amanda Nunes built is the greatest individual career in women's MMA history.
Where to Watch Amanda Nunes Fights
If you have never gone back and watched her highlights, or if you want to rewatch her title defenses, UFC Fight Pass has her full fight library. It is worth it.
UFC Fight Pass gives you access to the complete UFC library, including every Amanda Nunes fight. Live events, classic fights, and the full broadcast catalog. Essential viewing for serious fans.
Looking for training gear? Venum is the official UFC gear partner and makes excellent gloves, shorts, and training equipment for women who train.