Norma Dumont – Ailin Perez

Fighters' momentum

Dumont comes off a unanimous decision loss to Joselyne Edwards on April 25, 2026, following decision victories over Ketlen Vieira on November 1, 2025, Irene Aldana on September 15, 2024, Germaine de Randamie on April 6, 2024, and Chelsea Chandler on July 16, 2023. Pérez defeated Macy Chiasson by unanimous decision on February 28, 2026, Karol Rosa by unanimous decision on January 18, 2025, Joselyne Edwards by unanimous decision on June 1, 2024, and Lucie Pudilova by unanimous decision on November 18, 2023; she submitted Darya Zhelezniakova via arm-triangle choke on September 28, 2024.

UFC sources describe six consecutive victories for Pérez and a six-fight winning streak for Dumont interrupted by Edwards. Pérez was returning from a thirteen-month layoff.

The announced records are 13-3 for Dumont and 13-2 for Pérez, according to data accessed on September 20, 2026, by une source spécialisée. Aggregated MMA Index statistics, whose quality and sample require verification, give Dumont approximately 3.85 significant strikes per minute and 1.4 takedowns per 15 minutes, compared with 2.88 and 4.9 for Pérez.

Head-to-head

No previous bout between Norma Dumont and Ailin Pérez was identified in the records consulted; therefore, the absence of a documented matchup means a direct precedent cannot be used to predict this fight. Recent results against different opponents describe profiles and trends, but do not constitute a direct comparison of styles in this matchup.

Preparation and physical condition

Current injuries, medical status, quality of preparation, difficulty making weight, actual weights, and any potential failure to make weight are unknown. No verified public information about an injury or interrupted preparation is provided.

Pérez’s thirteen-month layoff before her February 28, 2026 fight does not, by itself, support any medical conclusion.

Context & news

Dumont’s announced measurements are 1,70 m with a 67-inch reach, in an orthodox stance; Pérez is 1,65 m with a 66-inch reach, in a switch stance, according to MMA Index on September 20, 2026. The aggregated data attribute approximately 50 % accuracy, 64 % striking défense, and 71 % takedown défense to Dumont; Pérez has approximately 56 % accuracy, 56 % striking défense, and 72 % takedown défense.

The Dumont scenario relies on the jab, distance, defending takedowns, and a decision, with une source spécialisée indicating 65 % striking défense and 68 % takedown défense in the record consulted. The Pérez scenario relies on pressure, wrestling entries, control against the cage, and ground sequences, with a decision as the main path and a submission less firmly supported.

Contradictory scenario: if Dumont retreats too much or cannot maintain distance, Pérez’s wrestling could neutralize her reach advantage; conversely, if Dumont defends the entries and preserves space, Pérez could lack the time and effective control to impose her pace. Dumont has significant experience in fights that go to a decision, whereas the available sample does not demonstrate genuine five-round UFC experience for Pérez; however, the probable three-round format limits the significance of this difference.

Matchup and opponent

Individual fight announced for UFC Fight Night: Rosas Jr. vs Barcelos, on September 26, 2026 in Las Vegas, between Norma Dumont and Ailin Pérez. The announced division is women’s bantamweight, 135 lb.

The three-round, five-minute format is likely but must still be confirmed by the contract or the official UFC bout listing. No replacement is reported in the file; the lack of confirmation remains an unknown.

The official weigh-in had not yet taken place as of September 20, 2026.