Amanda Nunes entered UFC 232 as the women’s bantamweight champion. Fifty-one seconds after her featherweight title fight began, she also owned the belt in that division. Her knockout of Cris Cyborg made Nunes the first woman to hold UFC championships in two weight classes simultaneously.
A champion moving up
The fight took place on 29 December 2018 at The Forum in Inglewood, California. Nunes had won the bantamweight title by submitting Miesha Tate at UFC 200 in 2016, then defended it against Ronda Rousey, Valentina Shevchenko and Raquel Pennington. At UFC 232, she moved from 135 pounds to challenge Cyborg for the 145-pound featherweight championship.
Cyborg brought a formidable record into the contest. The UFC’s history of champion-versus-champion fights describes her ten-fight winning streak and 21-fight unbeaten run before facing Nunes. This was not a vacant-belt opportunity: the reigning champion in one division was challenging a dominant champion in another.

No waiting period
The action began immediately. Both fighters exchanged punches, but Nunes repeatedly hurt Cyborg with right hands. Referee Marc Goddard stopped the contest 51 seconds into the first round. The official UFC 232 report records the result as a first-round knockout at 0:51 and notes that Nunes became the first woman to hold titles in two UFC divisions.
Independent reports give the same time and outcome. ESPN’s report from fight night says Nunes moved up in weight and landed the decisive overhand right 51 seconds into the round. The Los Angeles Times also recorded the 51-second knockout at the California venue.

Two belts, then two sets of defenses
Nunes was the third UFC fighter to become a simultaneous two-division champion, after Conor McGregor and Daniel Cormier, but the first woman to do it. Her achievement later gained another layer. She defended the bantamweight championship while still holding the featherweight belt, then also defended the featherweight title. A later UFC review of two-division champions identifies her as the only simultaneous double champion to defend both belts without first relinquishing one.
The 51-second number makes the story instantly memorable, but its importance comes from the opponent and the stakes. Nunes did not simply win a fast fight. She moved up a division, stopped a long-unbeaten champion and changed the history of women’s MMA before the opening minute had expired.
Sources and further reading
- UFC 232 main-card report
- ESPN fight-night report
- Los Angeles Times fight report
- UFC history of two-division champions