| Sieg | 3-0 | Muslim Salikhov  | KO (Punches) |  | UFC Fight Night: Dolidze vs Imavov | Feb 03, 2024 | 1 | 3:17 | Las Vegas, Nevada, United States  |
| Cancelled Bout | | Muslim Salikhov | - |  | UFC 296: Edwards vs Covington | Dec 02, 2023 | - | - | Las Vegas, Nevada, United States |
| Sieg | 2-0 | Alex Oliveira  | Submission (Rear-Naked Choke) |  | UFC 261: Usman vs Masvidal 2 | Apr 24, 2021 | 1 | 2:50 | Las Vegas, Nevada, United States |
| Sieg | 1-0 | Mickey Gall | Decision (unanimous) |  | UFC 217: Bisping vs St. Pierre | Nov 04, 2017 | 3 | 5:00 | New York City, New York, United States |
