| 2026-10-24 | UFC 333: Volkanovski vs. Evloev | Middleweight | Abubakar Vagaev def. Jacob Malkoun | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2026-05-02 | UFC Fight Night: Della Maddalena vs. Prates | Catchweight | Jacob Malkoun def. Gerald Meerschaert | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2026-02-01 | UFC 325: Volkanovski vs. Lopes 2 | Middleweight | Jacob Malkoun def. Torrez Finney | Decision (unanimous) (30–27, 30–26, 30–26) | 3 | 5:00 |
| 2024-03-30 | UFC on ESPN: Blanchfield vs. Fiorot | Middleweight | Jacob Malkoun def. Andre Petroski | TKO (soccer kick to the body) | 2 | 0:39 |
| 2023-09-23 | UFC Fight Night: Fiziev vs. Gamrot | Middleweight | Cody Brundage def. Jacob Malkoun | DQ (illegal elbow) | 1 | 4:15 |
| 2022-10-15 | UFC Fight Night: Grasso vs. Araújo | Middleweight | Jacob Malkoun def. Nick Maximov | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2022-06-12 | UFC 275: Teixeira vs. Procházka | Middleweight | Brendan Allen def. Jacob Malkoun | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2022-02-12 | UFC 271: Adesanya vs. Whittaker 2 | Middleweight | Jacob Malkoun def. A.J. Dobson | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2021-04-17 | UFC on ESPN: Whittaker vs. Gastelum | Middleweight | Jacob Malkoun def. Abdul Razak Alhassan | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2020-10-24 | UFC 254: Khabib vs. Gaethje | Middleweight | Phil Hawes def. Jacob Malkoun | KO (punches) | 1 | 0:18 |