| 2026-02-01 | UFC 325: Volkanovski vs. Lopes 2 | Lightweight | Quillan Salkilld def. Jamie Mullarkey | Submission (neck crank) | 1 | 3:02 |
| 2025-09-28 | UFC Fight Night: Ulberg vs. Reyes | Lightweight | Jamie Mullarkey def. Rolando Bedoya | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2024-05-04 | UFC 301: Pantoja vs. Erceg | Lightweight | Maurício Ruffy def. Jamie Mullarkey | TKO (punches) | 1 | 4:42 |
| 2023-12-09 | UFC Fight Night: Song vs. Gutiérrez | Lightweight | Nasrat Haqparast def. Jamie Mullarkey | TKO (punches) | 1 | 1:44 |
| 2023-09-10 | UFC 293: Adesanya vs. Strickland | Lightweight | Jamie Mullarkey def. John Makdessi | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2023-06-03 | UFC on ESPN: Kara-France vs. Albazi | Lightweight | Muhammad Naimov def. Jamie Mullarkey | TKO (punches) | 2 | 2:59 |
| 2023-02-12 | UFC 284: Makhachev vs. Volkanovski | Lightweight | Jamie Mullarkey def. Francisco Prado | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2022-07-09 | UFC on ESPN: dos Anjos vs. Fiziev | Lightweight | Jamie Mullarkey def. Michael Johnson | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2022-03-05 | UFC 272: Covington vs. Masvidal | Lightweight | Jalin Turner def. Jamie Mullarkey | TKO (punches) | 2 | 0:46 |
| 2021-10-02 | UFC Fight Night: Santos vs. Walker | Lightweight | Jamie Mullarkey def. Devonte Smith | TKO (punches) | 2 | 2:51 |
| 2021-03-27 | UFC 260: Miocic vs. Ngannou 2 | Lightweight | Jamie Mullarkey def. Khama Worthy | KO (punches) | 1 | 0:46 |
| 2020-10-18 | UFC Fight Night: Ortega vs. The Korean Zombie | Lightweight | Farès Ziam def. Jamie Mullarkey | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2019-10-05 | UFC 243: Whittaker vs. Adesanya | Lightweight | Brad Riddell def. Jamie Mullarkey | Decision (unanimous) (29–27, 30–26, 30–26) | 3 | 5:00 |