Poids Lourds Hommes
 | Marsel Sychev | #7494 |  | |
 | Martin Buday | 7-1-0 UFC | #541 |  |
 | Masashi Inada | 1-1-0 REC | #4055 |  |
 | Masutatsu Yano | 0-1-0 UFC | #6517 | |
 | Matheus Fonseca | 0-1-0 REC | #6601 |  |
 | Matheus Scheffel | 3-7-0, 1NC REC | #2814 | |
 | Matt Adams | 3-2-0 REC | #1643 |  |
 | Matt Andersen | 0-1-0 UFC | #6190 | |
 | Matt Mitrione | 9-5-0 UFC | #1013 | |
 | Matunga Djikasa | 0-1-0 REC | #5256 |  |
 | Matusalem dos Santos | 0-1-0 REC | #6086 | |
 | Maurice Greene | 4-4-0 UFC | #2034 | |
 | Mauricio Queiroz | 0-1-0 REC | #6740 | |
 | Mauro Cerilli | 1-0-0 REC | #1927 |  |
 | Max Gimenis | 0-1-0 UFC | #2817 | |
 | Max Yoshida | 0-1-0 REC | #5472 | |
 | Maxwell Djantou Nana | 3-1-0 REC | #966 |  |
 | Melton Bowen | 0-1-0 UFC | #7015 | |
 | Michal Kita | 1-1-0 REC | #6456 |  |
 | Michal Martinek | 2-5-0 REC | #1930 |  |