Mairon Santos
BrazilMairon Santos, “The Legend”, is a Featherweight from Brazil with an official record of 18-1. The 18 wins came 9 by knockout and 9 by decision. The most recent bout on file is a third-round knockout win over Muhammad Naimov at UFC 323: Dvalishvili vs. Yan 2 on 6 December 2025, the sixth win in a row.
| Date | Opponent | Result | Method | Round | Event |
|---|---|---|---|---|---|
| Dec 6, 2025 | Muhammad Naimov | WIN | KOPunches | R3 · 0:21 | UFC 323: Dvalishvili vs. Yan 2 |
| May 17, 2025 | Sodiq Yusuff | WIN | DECDecision | R3 · 5:00 | UFC Fight Night: Burns vs. Morales |
| Mar 8, 2025 | Francis Marshall | WIN | DECDecision | R3 · 5:00 | UFC 313: Pereira vs. Ankalaev |
| Aug 24, 2024 | Kaan OfliTitle | WIN | KOPunch | R2 · 1:30 | UFC Fight Night: Cannonier vs. Borralho |
| Aug 20, 2024 | Guillermo Torres | WIN | DECDecision - Unanimous | R3 · 5:00 | The Ultimate Fighter 32 Semifinal: Grasso vs. Shevchenko |
| Mar 25, 2023 | Rafael Barbosa | WIN | DECDecision - Unanimous | R3 | LFA 155: Do Nascimento vs. Hodge |
| Feb 5, 2022 | Dan Argueta | LOSS | KOKO/TKO | R3 | LFA 123: Argueta vs. Santos |
| Feb 20, 2021 | Paulo Roberto Aquiles | WIN | KOKO/TKO | R2 · - | Showtime Fights 4 |
| Nov 8, 2020 | Andre Borges | WIN | DECDecision - Split | R3 | Shooto Brazil: Shooto Brazil 103 |
| Mar 1, 2020 | Julio Pereira | WIN | KOKO/TKO | R3 | Shooto Brazil: Grand Prix |
| Dec 14, 2019 | Baba Boundjou Nadjombe | WIN | DECDecision - Unanimous | R3 · 5:00 | ARES FC 1: Ares Fighting Championship |
| Oct 12, 2019 | Robert Wilson | WIN | DECDecision - Unanimous | R3 | Favela Kombat: Favela Kombat 33 |
| Sep 28, 2019 | Willian Telles | WIN | KOKO/TKO | R1 | CTF: Curitiba Top Fight 12 |
| Aug 17, 2019 | Paulo Ricardo Rodrigues | WIN | KOKO/TKO | R3 | DC Pro 3: Cyborg vs. Verner |
| Jun 29, 2019 | Vinicius Morinishi Pontes | WIN | KOKO/TKO | R1 | Sicario MMA - Sicario 05 |
| Jun 8, 2019 | Nicolas Savio | WIN | DECDecision - Unanimous | R3 | Spartano's Fight MMA 2 |
| Apr 5, 2019 | Micael Braga | WIN | DECDecision - Unanimous | R3 | Shooto Brazil: Shooto Brazil 91 |
| Mar 24, 2019 | Alan Ferreira | WIN | KOTKO (Retirement) | R1 · 5:00 | MMA Brutus 1 |
| Mar 16, 2019 | Phelipe Silva | WIN | KOTKO (Corner Stoppage) | R1 · 5:00 | XFMMA: XForce MMA 9 |
| — | Rafael Barbosa | WIN | — | — | — |
| — | Dan Argueta | LOSS | — | — | — |
Wins, losses and draws are Mairon Santos’s official record. Everything else is counted from the 19 bouts we hold a full result for — method, round and time. Per-fight striking and grappling statistics are not published in our data source, so they are not shown.
Mairon Santos’s record, in numbers
Mairon Santos’s record is 18-1, and Cage Brothers holds a full result for all 19 bouts in it. Every figure below is counted from them.
The 18 wins break down as 9 by knockout and 9 by decision — 9 of 18 inside the distance, a finish rate of 50%. Across the 18 of 19 bouts with a recorded finishing round, the average bout lasted 9 minutes 16 seconds.
Mairon Santos has been stopped once in the 19 bouts on file, by knockout — 5% of them. The last 6 bouts on file are all wins.
Of the 19 bouts Cage Brothers holds a result for, 1 was for a title and 2 were the main event of the card. Three of them have come since October 2024.
Set against the 555 Featherweight fighters Cage Brothers holds eight or more bouts for, Mairon Santos has a finish rate above 21% of them, a record of avoiding stoppage above 83% of them and a two-year bout count above 81% of them. The comparison is made inside the division rather than across the whole roster, because how often a division finishes depends heavily on what it weighs.
Mairon Santos is listed at 5ft 7in with a reach of 72in, fights orthodox and is 26, born 9 June 2000.
These figures are recomputed from Mairon Santos’s bout history each time results are synced, so they follow the record rather than a fixed snapshot.