Poids Lourds Hommes
 | Marcos Rogerio de Lima | 11-7-0 UFC | #567 |  |
 | Marcus Almeida | 0-2-1 UFC | #1493 | |
 | Marcus Bossett | 1-2-0 UFC | #3897 |  |
 | Marcus Jones | 0-1-0 UFC | #4615 | |
 | Marcus Silveira | 0-1-0, 1NC UFC | #5109 | |
 | Marek Bujlo | 0-1-0 UFC | #3385 |  |
 | Marek Samociuk | 5-3-0 REC | #1491 | |
 | Mario Neto | 0-1-0 UFC | #5712 | |
 | Mario Piazzon | 1-0-0 REC | #6114 | |
 | Mario Pinto | 3-0-0 UFC | #408 |  |
 | Mariusz Pudzianowski | 0-3-0 REC | #3097 | |
 | Mark Currier | 0-1-0 REC | #6486 | |
 | Mark Godbeer | 2-2-0 UFC | #4022 |  |
 | Mark Hunt | 8-8-1, 1NC UFC | #706 |  |
 | Mark Kerr | 4-0-0 UFC | #1790 | |
 | Mark Robinson | #7209 | | |
 | Marsel Sychev | #7388 |  | |
 | Martin Buday | 7-1-0 UFC | #533 |  |
 | Masashi Inada | 1-1-0 REC | #3923 |  |
 | Masutatsu Yano | 0-1-0 UFC | #6310 | |