| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Mike | Massenzio | The Master of Disaster | 6' 2" | 185 lbs. | 73.0" | Southpaw | 13 | 9 | 0 | |
| Jameel | Massouh | 5' 10" | 145 lbs. | 72.0" | Orthodox | 26 | 9 | 0 | ||
| Tiffany | Masters | Rainbow Renegade | 5' 3" | 115 lbs. | 65.0" | Orthodox | 2 | 1 | 0 | |
| Jorge | Masvidal | Gamebred | 5' 11" | 170 lbs. | 74.0" | Orthodox | 35 | 17 | 0 | |
| Al | Matavao | Sweetness | 5' 8" | 205 lbs. | 67.0" | Orthodox | 8 | 3 | 0 | |
| Tateki | Matsuda | Tech | 5' 7" | 125 lbs. | -- | Orthodox | 13 | 8 | 0 | |
| Daijiro | Matsui | 5' 9" | 200 lbs. | -- | Orthodox | 13 | 29 | 7 | ||
| Toki | Matsui | -- | 125 lbs. | -- | 6 | 1 | 0 | |||
| Koichiro | Matsumoto | 5' 7" | 145 lbs. | -- | 15 | 3 | 1 | |||
| Jean | Matsumoto | 5' 6" | 135 lbs. | 68.0" | Orthodox | 15 | 0 | 0 | ||
| Koyomi | Matsushima | 5' 7" | 145 lbs. | 66.0" | Orthodox | 13 | 6 | 0 | ||
| Naoki | Matsushita | 5' 6" | 155 lbs. | -- | Orthodox | 12 | 16 | 11 | ||
| AJ | Matthews | 5' 11" | 185 lbs. | -- | 8 | 7 | 0 | |||
| Jake | Matthews | The Celtic Kid | 5' 11" | 170 lbs. | 73.0" | Orthodox | 19 | 7 | 0 | |
| Connor | Matthews | The Controller | 5' 8" | 145 lbs. | 71.0" | Switch | 7 | 2 | 0 | |
| Claudio | Mattos | Popeye | -- | 185 lbs. | -- | Orthodox | 5 | 4 | 0 | |
| John | Matua | 6' 2" | 400 lbs. | -- | Orthodox | 1 | 4 | 0 | ||
| Francesco | Maturi | -- | -- | -- | 0 | 1 | 0 | |||
| Vladimir | Matyushenko | The Janitor | 6' 0" | 205 lbs. | 74.0" | Orthodox | 27 | 8 | 0 | |
| Miranda | Maverick | Fear The | 5' 3" | 125 lbs. | 65.0" | Southpaw | 15 | 5 | 0 | |
| Nick | Maximov | 6' 0" | 185 lbs. | 76.0" | Southpaw | 8 | 2 | 0 | ||
| Elaina | Maxwell | Beef | 5' 8" | 145 lbs. | -- | Orthodox | 7 | 4 | 0 | |
| Jeremy | May | 6' 1" | 185 lbs. | -- | 13 | 10 | 0 | |||
| Jack | May | The Outlaw | 6' 8" | 255 lbs. | -- | Switch | 9 | 3 | 0 |