MMA Calendar
Fighter

Mairon Santos

"The Legend"
17-1-0BrazilBrazilLast 5
Amateur MMA 0-0-1Grappling 1-1
17-1-0 · 9 finishes · Full stats →
NEXT FIGHT

No upcoming fight scheduled.

CAREER SUMMARY

Mairon Santos holds a professional MMA record of 17-1-0. Mairon Santos has won 17 fights: 9 by KO/TKO, 0 by submission, 8 by decision. Of 1 career loss, 1 came by KO/TKO and 0 by submission. In the UFC, Mairon Santos lands 3.33 significant strikes per minute with 48% accuracy and averages 0.00 takedowns per 15 minutes. Mairon Santos also has 2 recorded Grappling bouts. Most recent fight: December 6, 2025. Tracked organizations: UFC.

Profile

Height
5'7"170 cm
Weight
145 lbs66 kg
Reach
72"183 cm
Stance
Orthodox
DOB
2000-06-10
Age
26
Nationality
Brazil
Birthplace
Rio de Janeiro, Rio de Janeiro, Brazil

Background

Credentials, amateur pedigree and camp

BaseMuay ThaiKickboxing
  • 2024Champion · The Ultimate Fighter · Featherweight
  • Champion · Brazil State Championship
  • Brown belt · BJJ
  • Started in Kickboxing
  • MMA 18-1-0 · Professional record · Public fight records, read 2026-09-01: 18-1-0, nine wins by KO/TKO. Pro debut 2019, twelve straight wins before the sole loss to Dan Argueta in the LFA in Feb 2022. Pre-UFC promotions: Shooto Brasil, LFA, Ares FC, X-Force MMA, Curitiba Top Fight, Favela Kombat, MMA Brutus, Showtime Fights, DC Pro, Sicario MMA, Spartano's Fight - no title won in any of them that any source names. Cageside Press (Jul 2026) and combat-edge list 17-1; see conflicts.

Camp

  • Fighting Nerds · Sao Paulo, Brazil
  • Xtreme Couture · Las Vegas, US Former

Coaches

  • Pablo Sucupira · Head coach

Training partners

  • Icaro Brito

Fight DNA

Knockout Artist

UFCalendar's style model · Featherweight roster (204 fighters)

PowerSpeedPrecisionDurabilityEngineWrestlingGround
One-Shot Power
99 · best in division
Sniper
98 · top 1% in division
Fast Hands
98 · top 4% in division
Punch power94
Kick power99
Punch speed98
Kick speed99
Accuracy98
Takedowns46
Ground striking51
Submissions55
Chin73
Body strength91
Cardio92

Attributes are rated 0-100 by UFCalendar's style model.

By the numbers

UFC careerRecord: 4-0-0 · Source: UFCStats.com
Striking
Strikes landed3.33per min
48% accuracy
Strikes absorbed2.24per min
65% avoided
Grappling
Takedowns landed0.00per 15 min
0% success
Takedowns stuffed69%
Submission attempts0.0per 15 min
See every fight's numbers

Related fighters

Salary & career earnings

Disclosed purses, reported paydays and what we estimate Mairon Santos earns per fight.

Mairon Santos's salary & career earnings →

Career history

  1. WIN
    vs Muhammad Naimov
    UFCUFC 323: Dvalishvili vs Yan 2· Dec 6, 2025· Featherweight· 17-1 vs 13-4
    TKO
    R3 · 0:21
  2. WIN
    vs Sodiq Yusuff
    UFCUFC Fight Night: Burns vs Morales· May 17, 2025· Lightweight· 16-1 vs 13-5
    UD
    R3 · 5:00
  3. WIN
    vs Francis Marshall
    UFCUFC 313: Pereira vs Ankalaev· Mar 8, 2025· Featherweight· 15-1 vs 8-3
    SD
    R3 · 5:00
  4. WIN
    vs Kaan Ofli×1Title bout · Title win #1
    UFCUFC Fight Night: Cannonier vs Borralho· Aug 24, 2024· Ultimate Fighter 32 Featherweight· 14-1 vs 11-3-1
    TKO
    R2 · 1:30
  5. WIN
    vs Rafael Barbosa
    LFA 155: Do Nascimento vs. Hodge· Mar 24, 2023· Featherweight· 13-1 vs 14-5
    UD
  6. LOSS
    vs Dan Argueta
    LFA 123: Argueta vs. Santos· Feb 4, 2022· Bantamweight· 12-1 vs 7-0
    TKO
    R3 · 2:40
  7. WIN
    vs Paulo Roberto Aquiles
    Showtime Fights 4· Feb 20, 2021· Lightweight· 12-0 vs 7-17
    TKO
  8. WIN
    vs Andre Borges
    Shooto Brasil 103· Nov 8, 2020· Lightweight· 11-0 vs 7-4
    SD
  9. WIN
    vs Julio Pereira
    Shooto Brasil· Mar 1, 2020· Featherweight· 10-0 vs 5-1
    TKO
    R3 · 4:27
  10. WIN
    vs Baba Boundjou Nadjombe
    Ares FC 1· Dec 14, 2019· Lightweight· 9-0 vs 7-2
    UD
  11. WIN
    vs Robert Wilson
    Favela Kombat 33· Oct 12, 2019· Featherweight· 8-0 vs 3-2
    UD
  12. WIN
    vs Willian Telles
    Curitiba Top Fight 12· Sep 28, 2019· 7-0 vs 1-13
    TKO
    R1 · 2:43
  13. WIN
    vs Paulo Ricardo Rodrigues
    DC Pro 3: Cyborg vs Verner· Aug 17, 2019· 6-0 vs 7-14
    TKO
    R3 · 4:52
  14. WIN
    vs Vinicius Morinischi
    Sicario MMA 5· Jun 29, 2019· Lightweight· 5-0 vs 3-3
    TKO
    R1 · 2:08
  15. WIN
    vs Nicolas Sávio
    Spartano's Fight MMA 2· Jun 8, 2019· Bantamweight· 4-0 vs 2-2
    UD
  16. WIN
    vs Micael Braga
    Shooto Brasil 91· Apr 5, 2019· 3-0 vs 1-1
    UD
  17. WIN
    vs Alan Ferreira
    MMA Brutus 1· Mar 24, 2019· Flyweight· 2-0 vs 1-3
    TKO
    R1 · 5:00
  18. WIN
    vs Phelipe Silva
    X-Force MMA 9· Mar 16, 2019· Flyweight· 1-0 vs 7-2
    TKO
    R1 · 5:00

UFCalendar Power Index rating

Current
1805▲33
Peak
1805Dec 7, 2025
Rated fights
18
1500160017001800202020212022202320242025Mar 16, 2019 · 1552Mar 24, 2019 · 1584Apr 5, 2019 · 1614Jun 8, 2019 · 1637Jun 29, 2019 · 1662Aug 17, 2019 · 1683Sep 28, 2019 · 1689Oct 12, 2019 · 1698Dec 14, 2019 · 1714Mar 1, 2020 · 1740Nov 8, 2020 · 1745Feb 20, 2021 · 1751Feb 4, 2022 · 1716Mar 24, 2023 · 1728Aug 25, 2024 · 1738Mar 9, 2025 · 1748May 17, 2025 · 1772Dec 7, 2025 · 18051805

See the full Power Index →

Frequently asked questions

When does Mairon Santos fight next?

Mairon Santos has no confirmed upcoming fight.

What is Mairon Santos's record?

Mairon Santos's professional MMA record is 17-1-0.

Who is Mairon Santos fighting next?

Mairon Santos's next opponent has not been announced.

Who did Mairon Santos fight last?

Mairon Santos most recently fought Muhammad Naimov at UFC 323: Dvalishvili vs Yan 2 on Saturday, December 6, 2025, WIN (TKO).

What weight class does Mairon Santos fight in?

Mairon Santos fights at Featherweight.

How many knockouts does Mairon Santos have?

Mairon Santos has 9 wins by KO/TKO and 0 wins by submission.

How tall is Mairon Santos?

Mairon Santos is 5'7" (170 cm) tall.

How much does Mairon Santos weigh?

Mairon Santos weighs 145 lbs (66 kg).

What is Mairon Santos's reach?

Mairon Santos has a reach of 72" (183 cm).

How old is Mairon Santos?

Mairon Santos is 26 years old (born Jun 10, 2000).

Where is Mairon Santos from?

Mairon Santos is from Brazil.