Returning Fighters
All fighters listed have previously appeared in the Top 25 in one or more Generated Historical Rankings or Official Rankings.
In addition, they have had no pro fights between 06/15/2024 and 05/15/2026, but have either fought after 05/15/2026 or have a fight scheduled in the future.
| Returning Fighter | Outcome | Opponent | Organization | Date |
 Nate Diaz | L | Mike Perry | Most Valuable Promotions | 05/16/2026 |
| Gina Carano | L | Ronda Rousey | Most Valuable Promotions | 05/16/2026 |
 Junior dos Santos | L |  Robelis Despaigne | Most Valuable Promotions | 05/16/2026 |
| Philipe Lins | L |  Francis Ngannou | Most Valuable Promotions | 05/16/2026 |
| Justine Kish | L |  Sani Brannfors | Ice Cage Fighting | 05/16/2026 |
| Ronda Rousey | W | Gina Carano | Most Valuable Promotions | 05/16/2026 |
| Mike Perry | W | Nate Diaz | Most Valuable Promotions | 05/16/2026 |
| Ben Henderson | L |  Patrick Habirora | PFL | 05/23/2026 |
| Doglas Cunha | W | Valmir Silva | Coliseu Extreme Fight | 05/23/2026 |
| Francimar Barroso | W |  Sergey Sengeim | MMA SERIES | 05/30/2026 |
 Hanami Watanabe | W | Akari Kamise | DEEP | 05/31/2026 |
| Jesse Taylor | L | Elizeu Zaleski dos Santos | Liga Monstro Combate | 06/06/2026 |
| Alesha Zappitella | TBD | Stephanie Hernandez | American Fight Promotions | 06/20/2026 |
| Alexey Oleynik | TBD |  Antonio Zovak | OpenFC | 07/11/2026 |
 Conor McGregor | TBD | Max Holloway | UFC | 07/11/2026 |
| Montana De La Rosa | TBD | Tatiana Postarnakova | PFL | 07/31/2026 |