Oumar Sy è un lottatore di MMA della categoria pesi mediomassimi. Il suo record nelle arti marziali miste è 12–3 (vittorie–sconfitte–pareggi). Scheda: 30 anni.
| Esito | Avversario | Metodo | Evento | Data |
|---|---|---|---|---|
| Loss | Modestas Bukauskas | TKO | UFC Fight Night: Hooker vs. Parnasse | September 5, 2026 |
| Loss | Ion Cutelaba | Submission | UFC Fight Night: Emmett vs. Vallejos | March 15, 2026 |
| Win | Brendson Ribeiro | TKO | UFC Fight Night: Imavov vs. Borralho | September 6, 2025 |
| Loss | Alonzo Menifield | Decision (unanimous) | UFC Fight Night: Usman vs. Buckley | June 15, 2025 |
| Win | Da Woon Jung | Decision (unanimous) | UFC Fight Night: Moicano vs. Saint Denis | September 28, 2024 |
| Win | Tuco Tokkos | Submission | UFC Fight Night: Barboza vs. Murphy | May 18, 2024 |
| Win | Ildemar Alcantara | TKO | KOF 1: The King of Fighters | June 30, 2023 |
| Win | Henrique da Silva | Submission | KSW 80: Ruchała vs. Eskiev | March 17, 2023 |
| Win | Bartlomiej Gladkowicz | Decision (unanimous) | KSW 72: Romanowski vs. Grzebyk | July 23, 2022 |
| Win | Paulin Begai | Decision (unanimous) | Ares FC 3: Abdouraguimov vs. Godofredo | February 3, 2022 |
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