Poids Légers Hommes
 | Mathieu Rogez | 1-0-0 REC | #7834 |  |
 | Matt Camilleri | 2-2-0 REC | #3999 |  |
 | Matt Chapman | 0-1-0 REC | #7655 |  |
 | Matt Frevola | 5-6-1 UFC | #734 | |
 | Matt Leonard | 1-0-0 REC | #7480 | |
 | Matt Wiman | 10-8-0 UFC | #1077 | |
| Matthew Chenault | 0-1-0 REC | #6170 | |
 | Maurice Adorf | 0-1-0 REC | #5913 |  |
 | Maurice Morris | 0-2-0 REC | #5146 | |
 | Mauricio Rodriguez | 1-0-0 REC | #7110 | |
 | Mauricio Ruffy | 5-1-0 UFC | #125 |  |
 | Max Holloway | 24-9-0 UFC | #4 | |
 | Max Metzgar | #7919 | | |
 | Max Rohskopf | 0-1-0 UFC | #4900 | |
 | Maxim Radu | 1-1-0 REC | #7065 |  |
| Maxime Lefevre | 0-1-0 REC | #7757 | |
 | Maycon Kevin | 0-1-0 REC | #6917 | |
 | Maycon Mendonca | 0-2-0 REC | #6901 | |
 | McCoy Tekautz | 1-0-0 REC | #2149 | |
 | Mehdi Dakaev | 1-1-0 REC | #1384 |  |