Sean O'Malley
20–3–0 · Bantamweight · Age 31 · 15 UFC fights
Skill (today)
+5.90
Uncertainty (σ)
0.81
As of
2026-09-13
Skill trajectory
Line: estimated skill after each fight. Band: ±1σ uncertainty.
Fight ledger
| Date | Opponent | Result | Method | Event | Model P(win), pre-fight |
|---|---|---|---|---|---|
| 2026-06-14 | Aiemann Zahabi | Win | KO/TKO | UFC Freedom 250 | 74% |
| 2026-01-24 | Yadong Song | Win | U-DEC | UFC 324: Gaethje vs. Pimblett | 62% |
| 2025-06-07 | Merab Dvalishvili | Loss | SUB | UFC 316: Dvalishvili vs. O'Malley 2 | 40% |
| 2024-09-14 | Merab Dvalishvili | Loss | U-DEC | UFC 306: O'Malley vs. Dvalishvili | 63% |
| 2024-03-09 | Marlon Vera | Win | U-DEC | UFC 299: O'Malley vs. Vera 2 | 82% |
| 2023-08-19 | Aljamain Sterling | Win | KO/TKO | UFC 292: Sterling vs. O'Malley | 37% |
| 2022-10-22 | Petr Yan | Win | S-DEC | UFC 280: Oliveira vs. Makhachev | 43% |
| 2021-12-11 | Raulian Paiva | Win | KO/TKO | UFC 269: Oliveira vs. Poirier | 69% |
| 2021-07-10 | Kris Moutinho | Win | KO/TKO | UFC 264: Poirier vs. McGregor 3 | |
| 2021-03-27 | Thomas Almeida | Win | KO/TKO | UFC 260: Miocic vs. N'Gannou 2 | 72% |
| 2020-08-15 | Marlon Vera | Loss | KO/TKO | UFC 252: Miocic vs. Cormier 3 | 80% |
| 2020-06-06 | Eddie Wineland | Win | KO/TKO | UFC 250: Nunes vs. Spencer | 85% |
| 2020-03-07 | Jose Alberto Quiñonez | Win | KO/TKO | UFC 248: Adesanya vs. Romero | 68% |
| 2019-12-12 | Takanori Gomi | Win | SUB | Quintet Ultra | |
| 2019-12-12 | Hector Lombard | Loss | SUB | Quintet Ultra | |
| 2019-12-12 | Gilbert Melendez | Draw | Quintet Ultra | ||
| 2018-03-03 | Andre Soukhamthath | Win | U-DEC | UFC 222: Cyborg vs. Kunitskaya | 80% |
| 2017-12-01 | Terrion Ware | Win | U-DEC | The Ultimate Fighter 26 Finale | |
| 2017-07-18 | Alfred Khashakyan | Win | TKO | DW's Contender Series 2017 | |
| 2017-05-05 | David Nuzzo | Win | TKO | LFA 11: Frincu vs. Mendonça | |
| 2017-03-18 | Irvin Veloz | Win | TKO | Beatdown 20 | |
| 2016-10-21 | Tycen Lynn | Win | TKO | Intense Championship Fighting 26 | |
| 2016-07-16 | David Courtney | Win | TKO | Iron Boy 34 | |
| 2015-11-07 | Mark Coates | Win | DEC | Intense Championship Fighting 23 | |
| 2015-08-21 | Omar Avelar | Win | SUB | Intense Championship Fighting 20 | |
| 2015-07-03 | Shane Sargent | Win | TKO | Intense Championship Fighting 19 | |
| 2015-03-06 | Josh Reyes | Win | SUB | Intense Championship Fighting 17 |