Poids Lourds Hommes
 | Marcin Tybura | 14-10-0 UFC | #179 |  |
 | Marco Ruas | 4-2-0 UFC | #2475 |  |
 | Marcos Rogerio de Lima | 11-7-0 UFC | #597 | |
 | Marcus Almeida | 0-2-1 UFC | #1784 | |
 | Marcus Bossett | 1-2-0 UFC | #3973 |  |
 | Marcus Jones | 0-1-0 UFC | #4686 | |
 | Marcus Silveira | 0-1-0, 1NC UFC | #5267 | |
 | Marek Bujlo | 0-1-0 UFC | #3534 | |
 | Mario Neto | 0-1-0 UFC | #5534 | |
 | Mario Pinto | 3-0-0 UFC | #650 |  |
 | Mark Godbeer | 2-2-0 UFC | #4127 |  |
 | Mark Hunt | 8-8-1, 1NC UFC | #682 |  |
 | Mark Kerr | 4-0-0 UFC | #1923 | |
 | Mark Robinson | #7539 | | |
 | Martin Buday | 7-1-0 UFC | #583 |  |
 | Masutatsu Yano | 0-1-0 UFC | #6504 |  |
 | Matt Andersen | 0-1-0 UFC | #6111 | |
 | Matt Mitrione | 9-5-0 UFC | #998 | |
 | Maurice Greene | 4-4-0 UFC | #2030 | |
 | Max Gimenis | 0-1-0 UFC | #2823 | |