| 2023-03-25 | UFC on ESPN: Vera vs. Sandhagen | Featherweight | Lucas Alexander def. Steven Peterson | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2022-02-05 | UFC Fight Night: Hermansson vs. Strickland | Catchweight | Julian Erosa def. Steven Peterson | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2021-06-12 | UFC 263: Adesanya vs. Vettori 2 | Catchweight | Steven Peterson def. Chase Hooper | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2019-09-21 | UFC Fight Night: Rodríguez vs. Stephens | Featherweight | Steven Peterson def. Martín Bravo | KO (spinning backfist) | 2 | 1:31 |
| 2019-07-20 | UFC on ESPN: dos Anjos vs. Edwards | Featherweight | Alex Caceres def. Steven Peterson | Decision (unanimous) (30–27, 29–28, 29–28) | 3 | 5:00 |
| 2019-03-23 | UFC Fight Night: Thompson vs. Pettis | Catchweight | Luis Peña def. Steven Peterson | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2018-07-06 | The Ultimate Fighter: Undefeated Finale | Featherweight | Steven Peterson def. Matt Bessette | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2018-02-18 | UFC Fight Night: Cowboy vs. Medeiros | Featherweight | Brandon Davis def. Steven Peterson | Decision (unanimous) (30–27, 29–28, 30–26) | 3 | 5:00 |