Poids Plumes Hommes
 | Luke Martin | 1-0-0 REC | #7422 |  |
 | Luke Powers | 0-1-0 REC | #6588 | |
 | Luke Riley | 3-0-0 UFC | #210 |  |
 | Mackens Semerzier | 1-1-0, 1NC UFC | #4535 | |
 | Magomed Abdulaev | 1-0-0 REC | #7814 |  |
 | Magomed Bayduev | 1-0-0 REC | #6754 |  |
| Magomed Khidriev | #8230 | | |
 | Magomed Termulaev | 0-1-0 REC | #5685 | |
 | Magomed-Amin Chaniev | 1-0-0 REC | #2301 | |
 | Maike Linhares | #7806 |  | |
 | Mairbek Aydaev | 1-2-0 REC | #3039 | |
 | Mairon Santos | 4-0-0 UFC | #805 | |
 | Makharbek Karginov | 4-1-0 REC | #1473 | |
| Makhmud Akimov | #8129 | | |
 | Makwan Amirkhani | 7-7-0 UFC | #1424 |  |
 | Malek Benmoussa | 2-0-0 REC | #6979 | |
 | Malik Bendaho | 1-0-0 REC | #2057 |  |
 | Malik Thompson | 1-0-0 REC | #1868 | |
 | Mamatkasym Akmatov | 0-1-0 REC | #6807 |  |
 | Manjoor Alam | #8029 |  |