Poids Mouches Hommes
 | Marcos Degli | 5-0-0 REC | #378 |  |
 | Marcus Vinicius Ferreira | 1-0-0 REC | #2846 | |
 | Mario Ferreira | 0-1-0 REC | #4786 |  |
 | Mark Climaco | 2-1-0 REC | #4373 |  |
 | Masud Zamonov | 0-1-0 REC | #6394 |  |
 | Mateus Brauns | 0-1-0 REC | #4918 | |
 | Mateus Mendonca | 0-3-0 UFC | #3211 | |
 | Matheus Nicolau | 7-4-0 UFC | #1153 | |
 | Matheus Severino | 2-1-0 REC | #684 | |
| Matheus Silva | 0-1-0 REC | #5232 | |
 | Matt Schnell | 7-8-0, 1NC UFC | #804 | |
 | Matthew Friel | 0-2-0 REC | #4536 |  |
 | Mauro Gutierrez | 0-1-0 REC | #6437 |  |
 | Maxim Kozhevnikov | 1-0-0 REC | #2827 |  |
 | Maximilien Vallot | 1-0-0 REC | #7336 |  |
 | Micah Haas | 1-0-0 REC | #4973 | |
 | Michael Reyes | 0-1-0 REC | #5509 | |
 | Michelangelo Lupoli | 3-3-0 REC | #2398 |  |
 | Miguel Sanson | 1-1-0 REC | #4989 | |
 | Mitch Raposo | 1-2-0 UFC | #1439 | |