Poids Moyens Hommes
 | Makhmud Muradov | 4-2-0, 1NC UFC | #306 |  |
 | Maki Pitolo | 1-5-0 UFC | #3330 |  |
 | Maksymilian Kowalski | 0-1-0 REC | #6559 |  |
 | Malik Abdurakhmanov | 3-0-0 REC | #1583 |  |
 | Mamed Khalidov | 3-1-0 REC | #2503 | |
 | Mansur Abdul-Malik | 3-2-0, 1NC UFC | #432 | |
 | Mantas Kondratavicius | 1-0-0 UFC | #1183 |  |
 | Manuel Delmoko | 1-0-0 REC | #1489 |  |
 | Marc-Andre Barriault | 6-10-0, 1NC UFC | #842 |  |
 | Marcel Fortuna | 1-2-0 UFC | #4175 |  |
 | Marcelo Guimaraes | 2-2-0 UFC | #3764 | |
 | Marcio Cabral | 2-1-0 REC | #1002 | |
 | Marcio Martins | 0-1-0 REC | #7132 | |
 | Marco Tulio | 2-2-0 UFC | #858 | |
| Marcos Vinicius | 0-1-0 REC | #5393 | |
 | Marcus Nash | 2-0-0 REC | #940 | |
 | Marek Bartl | 7-8-0 REC | #521 |  |
 | Marek Jakimowicz | 1-1-0 REC | #6041 | |
 | Marek Mazuch | 3-4-0 REC | #3216 |  |
 | Mario Mingaj | 2-2-0 REC | #3277 |  |