| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Gisele | Moreira | 5' 6" | 135 lbs. | -- | Orthodox | 8 | 3 | 0 | ||
| Vinicius | Moreira | Mamute | 6' 4" | 205 lbs. | 76.0" | Orthodox | 9 | 5 | 0 | |
| Jesse | Moreng | Arturo | 5' 7" | 145 lbs. | -- | Orthodox | 9 | 1 | 0 | |
| Brandon | Moreno | The Assassin Baby | 5' 7" | 125 lbs. | 70.0" | Orthodox | 22 | 8 | 2 | |
| Mike | Moreno | El Palo Duro | 6' 0" | 185 lbs. | -- | 6 | 5 | 0 | ||
| Dan | Moret | The Hitman | 6' 0" | 155 lbs. | 73.0" | Southpaw | 13 | 6 | 0 | |
| Sammy | Morgan | The Squeeze | 5' 10" | 170 lbs. | -- | Orthodox | 18 | 12 | 0 | |
| Peggy | Morgan | The Daywalker | 6' 1" | 135 lbs. | -- | 4 | 4 | 0 | ||
| Alexander | Morgan | The Chess Master | 5' 10" | 145 lbs. | 71.0" | Orthodox | 11 | 5 | 0 | |
| Alex | Morono | The Great White | 5' 11" | 170 lbs. | 72.0" | Orthodox | 24 | 11 | 0 | |
| Maryna | Moroz | Iron Lady | 5' 7" | 125 lbs. | 67.0" | Orthodox | 11 | 6 | 0 | |
| Sergey | Morozov | 5' 6" | 135 lbs. | 67.0" | Orthodox | 19 | 5 | 0 | ||
| Brad | Morris | 6' 2" | 205 lbs. | -- | Orthodox | 10 | 6 | 0 | ||
| Scott | Morris | 5' 10" | 210 lbs. | -- | Orthodox | 2 | 1 | 0 | ||
| Anthony | Morrison | Cheesesteak | 5' 7" | 145 lbs. | -- | Orthodox | 20 | 12 | 0 | |
| Jack | Morrison | 5' 11" | 205 lbs. | -- | 0 | 3 | 0 | |||
| Harry | Moskowitz | Dirty | 6' 5" | 275 lbs. | -- | Orthodox | 6 | 12 | 0 | |
| Carlos | Mota | Tizil | 5' 4" | 125 lbs. | 69.0" | Orthodox | 8 | 2 | 0 | |
| Miki | Motono | 5' 2" | 115 lbs. | 63.0" | Southpaw | 8 | 5 | 0 | ||
| Juan | Mott | 6' 0" | 190 lbs. | -- | Switch | 3 | 4 | 0 | ||
| Nikolas | Motta | Iron | 5' 9" | 155 lbs. | 70.0" | Orthodox | 15 | 5 | 0 | |
| Flavio Luiz | Moura | 5' 11" | 183 lbs. | -- | Open Stance | 19 | 7 | 0 | ||
| Eduarda | Moura | Ronda | 5' 6" | 125 lbs. | 66.0" | Orthodox | 11 | 1 | 0 | |
| Gegard | Mousasi | 6' 2" | 185 lbs. | 76.0" | Orthodox | 42 | 6 | 2 |