Sorted alphabetically by last name · 2769 fighters
| Name | Nickname | |
|---|---|---|
| MB | Martin Bravo | "El Toro" |
| MB | Martin Buday | "Badys" |
| MD | Martin Day | "The Spartan" |
| MK | Martin Kampmann | "The Hitman" |
| MS | Martin Sano | "Spartan" |
| MS | Martin Svensson | |
| ME | Marvin Eastman | "The Beastman" |
| MV |
| "The Italian Dream" |
| MR | Marwan Rahiki | "Freaky" |
| MM | Maryna Moroz | "Iron Lady" |