| 2026-06-14 | UFC Freedom 250 | Heavyweight | Ciryl Gane def. Alex Pereira title | TKO (punches) | 2 | 1:27 |
| 2025-10-04 | UFC 320: Ankalaev vs. Pereira 2 | Light Heavyweight | Alex Pereira def. Magomed Ankalaev title | TKO (punches and elbows) | 1 | 1:20 |
| 2025-03-08 | UFC 313: Pereira vs. Ankalaev | Light Heavyweight | Magomed Ankalaev def. Alex Pereira title | Decision (unanimous) (49–46, 48–47, 48–47) | 5 | 5:00 |
| 2024-10-05 | UFC 307: Pereira vs. Rountree Jr. | Light Heavyweight | Alex Pereira def. Khalil Rountree Jr. title | TKO (punches) | 4 | 4:32 |
| 2024-06-29 | UFC 303: Pereira vs. Procházka 2 | Light Heavyweight | Alex Pereira def. Jiří Procházka title | TKO (head kick and punches) | 2 | 0:13 |
| 2024-04-13 | UFC 300: Pereira vs. Hill | Light Heavyweight | Alex Pereira def. Jamahal Hill title | KO (punches) | 1 | 3:14 |
| 2023-11-11 | UFC 295: Procházka vs. Pereira | Light Heavyweight | Alex Pereira def. Jiří Procházka title | TKO (elbows) | 2 | 4:08 |
| 2023-07-29 | UFC 291: Poirier vs. Gaethje 2 | Light Heavyweight | Alex Pereira def. Jan Błachowicz | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2023-04-08 | UFC 287: Pereira vs. Adesanya 2 | Middleweight | Israel Adesanya def. Alex Pereira title | KO (punches) | 2 | 4:21 |
| 2022-11-12 | UFC 281: Adesanya vs. Pereira | Middleweight | Alex Pereira def. Israel Adesanya title | TKO (punches) | 5 | 2:01 |
| 2022-07-02 | UFC 276: Adesanya vs. Cannonier | Middleweight | Alex Pereira def. Sean Strickland | KO (punches) | 1 | 2:36 |
| 2022-03-12 | UFC Fight Night: Santos vs. Ankalaev | Middleweight | Alex Pereira def. Bruno Silva | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2021-11-06 | UFC 268: Usman vs. Covington 2 | Middleweight | Alex Pereira def. Andreas Michailidis | TKO (flying knee and punches) | 2 | 0:18 |