| 2026-07-11 | UFC 329: McGregor vs. Holloway 2 | Bantamweight | Mario Bautista def. Cory Sandhagen | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2026-02-07 | UFC Fight Night: Bautista vs. Oliveira | Bantamweight | Mario Bautista def. Vinicius Oliveira | Submission (rear-naked choke) | 2 | 4:46 |
| 2025-10-25 | UFC 321: Aspinall vs. Gane | Bantamweight | Umar Nurmagomedov def. Mario Bautista | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2025-06-07 | UFC 316: Dvalishvili vs. O'Malley 2 | Bantamweight | Mario Bautista def. Patchy Mix | Decision (unanimous) (29–28, 30–27, 30–27) | 3 | 5:00 |
| 2024-10-05 | UFC 307: Pereira vs. Rountree Jr. | Bantamweight | Mario Bautista def. José Aldo | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2024-01-13 | UFC Fight Night: Ankalaev vs. Walker 2 | Bantamweight | Mario Bautista def. Ricky Simón | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2023-08-19 | UFC 292: Sterling vs. O'Malley | Bantamweight | Mario Bautista def. Da'Mon Blackshear | Decision (unanimous) (29–28, 29–28, 30–27) | 3 | 5:00 |
| 2023-03-11 | UFC Fight Night: Yan vs. Dvalishvili | Bantamweight | Mario Bautista def. Guido Cannetti | Submission (rear-naked choke) | 1 | 3:18 |
| 2022-11-05 | UFC Fight Night: Rodriguez vs. Lemos | Catchweight | Mario Bautista def. Benito Lopez | Submission (reverse triangle armbar) | 1 | 4:54 |
| 2022-06-25 | UFC on ESPN: Tsarukyan vs. Gamrot | Bantamweight | Mario Bautista def. Brian Kelleher | Submission (rear-naked choke) | 1 | 2:27 |
| 2022-02-19 | UFC Fight Night: Walker vs. Hill | Bantamweight | Mario Bautista def. Jay Perrin | Decision (unanimous) (30–27, 30–27, 30–26) | 3 | 5:00 |
| 2021-03-06 | UFC 259: Błachowicz vs. Adesanya | Bantamweight | Trevin Jones def. Mario Bautista | TKO (punches) | 2 | 0:40 |
| 2020-02-08 | UFC 247: Jones vs. Reyes | Bantamweight | Mario Bautista def. Miles Johns | TKO (flying knee and punches) | 2 | 1:41 |
| 2019-07-20 | UFC on ESPN: dos Anjos vs. Edwards | Bantamweight | Mario Bautista def. Jin Soo Son | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2019-01-19 | UFC Fight Night: Cejudo vs. Dillashaw | Bantamweight | Cory Sandhagen def. Mario Bautista | Submission (armbar) | 1 | 3:31 |