| Geplant | | Merab Dvalishvili  | - |  | UFC 316: Dvalishvili vs O'Malley 2 | Jun 07, 2025 | - | - | Newark, New Jersey, United States  |
| Niederlage | 18-2 (1) | Merab Dvalishvili | Decision (Unanimous) |  | UFC 306: O'Malley vs Dvalishvili | Sep 14, 2024 | 5 | 5:00 | Las Vegas, Nevada, United States |
| Sieg | 18-1 (1) | Marlon Vera  | Decision (Unanimous) |  | UFC 299: O'Malley vs Vera 2 | Mar 09, 2024 | 5 | 5:00 | Miami, Florida, United States |
| Sieg | 17-1 (1) | Aljamain Sterling | TKO (Punches) |  | UFC 292: Sterling vs O'Malley | Aug 19, 2023 | 2 | 0:51 | Boston, Massachusetts, United States |
| Sieg | 16-1 (1) | Petr Yan  | Decision (Split) |  | UFC 280: Oliveira vs Makhachev | Oct 22, 2022 | 3 | 5:00 | Abu Dhabi, Dubai, United Arab Emirates  |
| NC | 15-1 (1) | Pedro Munhoz  | - |  | UFC 276: Adesanya vs Cannonier | Jul 02, 2022 | 2 | 3:09 | Las Vegas, Nevada, United States |
| Sieg | 15-1 | Raulian Paiva | TKO (Punches) |  | UFC 269: Oliveira vs Poirier | Dec 11, 2021 | 1 | 4:42 | Las Vegas, Nevada, United States |
| Sieg | 14-1 | Kris Moutinho | TKO (Punches) |  | UFC 264: Poirier vs McGregor 3 | Jul 10, 2021 | 3 | 4:33 | Las Vegas, Nevada, United States |
| Sieg | 13-1 | Thomas Almeida | KO (Punch) |  | UFC 260: Miocic vs Ngannou 2 | Mar 27, 2021 | 3 | 3:52 | Las Vegas, Nevada, United States |
| Niederlage | 12-1 | Marlon Vera | TKO (Elbows and Punches) |  | UFC 252: Miocic vs Cormier 3 | Aug 15, 2020 | 1 | 4:40 | Las Vegas, Nevada, United States |
| Sieg | 12-0 | Eddie Wineland | KO (Punch) |  | UFC 250: Nunes vs. Spencer | Jun 06, 2020 | 1 | 1:54 | Las Vegas, Nevada, United States |
| Sieg | 11-0 | Jose Alberto Quiñones  | TKO (Punches) |  | UFC 248: Adesanya vs Romero | Mar 07, 2020 | 1 | 2:02 | Las Vegas, Nevada, United States |
| Sieg | 10-0 | Andre Soukhamthath | Decision (unanimous) |  | UFC 222 | Mar 03, 2018 | 3 | 5:00 | Last Vegas, Nevada, United States |
| Sieg | 9-0 | Terrion Ware | Decision (unanimous) |  | The Ultimate Fighter: A New World Champion Finale | Dec 01, 2017 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Sieg | 8-0 | Alfred Khashakyan | KO (punch) |  | Dana White's Tuesday Night Contender Series 2 | Jul 18, 2017 | 1 | 4:14 | Las Vegas, Nevada, United States |
| Sieg | 7-0 | David Nuzzo | KO (spinning hook kick) |  | LFA 11: Frincu vs. Mendonça | May 05, 2017 | 1 | 2:15 | Phoenix, Arizona, United States |
| Sieg | 6-0 | Irvin Veloz | KO (punch) |  | EB: Beatdown 20 | Mar 18, 2017 | 1 | 2:34 | New Town, North Dakota, United States |
| Sieg | 5-0 | Tycen Lynn | KO (head kick) |  | Intense Championship Fighting 26 | Oct 21, 2016 | 2 | 2:57 | Great Falls, Montana, United States |
| Sieg | 4-0 | Mark Coates | Decision (unanimous) |  | Intense Championship Fighting 23 | Nov 07, 2015 | 3 | 5:00 | Helena, Montana, United States |
| Sieg | 3-0 | Omar Avelar | Submission (rear-naked choke) |  | Intense Championship Fighting 20 | Aug 21, 2015 | 1 | 2:55 | Great Falls, Montana, United States |
| Sieg | 2-0 | Shane Sargent | KO (punch) |  | Intense Championship Fighting 19 | Jul 03, 2015 | 1 | 2:03 | Choteau, Montana, United States |
| Sieg | 1-0 | Josh Reyes | TKO (punches) | | Intense Championship Fighting 17 | Mar 06, 2015 | 1 | 1:33 | Great Falls, Montana, United States |
