Poids Mi-Lourds Hommes
 | Mataeo Garner | 0-1-0 REC | #5699 |  |
 | Matej Surin | 1-0-0 REC | #7615 |  |
 | Mateusz Duczmal | 0-2-0 REC | #4206 |  |
 | Mateusz Strzelczyk | 5-6-0, 1NC REC | #1172 | |
 | Matt Hamill | 10-5-0 UFC | #594 | |
 | Matt Lucas | 0-1-0 UFC | #4934 | |
 | Matt Van Buren | 0-2-0 UFC | #6031 | |
 | Matthew Byfield | 2-1-0 REC | #5181 |  |
 | Matthew O'Rourke | 0-1-0 REC | #6409 |  |
 | Matvey Slyshkov | 0-2-0 REC | #4211 |  |
 | Maurice Smith | 4-3-0 UFC | #1260 | |
 | Mauricio Rua | 11-12-1 UFC | #389 |  |
 | Maxim Grishin | 2-3-0 UFC | #1055 | |
 | Mbamba Cauwenbergh | 0-1-0 REC | #5761 |  |
 | Meledje Yedoh | 1-2-0 REC | #2794 |  |
 | Melvin Manhoef | 0-1-0 REC | #4128 |  |
 | Mervin Miller | 2-0-0 REC | #5743 | |
 | Michael Kuiper | 1-3-0 UFC | #4226 | |
 | Michael Patt | 0-2-0 UFC | #5547 | |
 | Michael Tchamou | 3-5-0 REC | #2419 |  |