| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Ryan | McGivern | 6' 0" | 185 lbs. | -- | Orthodox | 13 | 7 | 0 | ||
| Jack | McGlaughlin | -- | -- | -- | Orthodox | 1 | 4 | 0 | ||
| Conor | McGregor | The Notorious | 5' 9" | 155 lbs. | 74.0" | Southpaw | 22 | 6 | 0 | |
| Greg | McIntyre | 5' 10" | 155 lbs. | -- | Orthodox | 6 | 4 | 0 | ||
| Antonio | McKee | Mandingo | 5' 8" | 155 lbs. | -- | Southpaw | 29 | 6 | 2 | |
| AJ | McKee | Mercenary | 5' 10" | 145 lbs. | -- | 8 | 0 | 0 | ||
| Rhys | McKee | Skeletor | 6' 2" | 170 lbs. | 78.0" | Orthodox | 10 | 5 | 1 | |
| Cory | McKenna | Poppins | 5' 3" | 115 lbs. | 58.0" | Orthodox | 8 | 2 | 0 | |
| Tim | McKenzie | 6' 0" | 185 lbs. | 74.0" | Orthodox | 14 | 9 | 0 | ||
| Cody | McKenzie | 6' 0" | 155 lbs. | 72.0" | Switch | 16 | 10 | 0 | ||
| Terrance | McKinney | T. Wrecks | 5' 10" | 155 lbs. | 73.0" | Switch | 14 | 5 | 0 | |
| Brian | McLaughlin | 5' 9" | 155 lbs. | -- | 6 | 2 | 0 | |||
| Jason | McLean | 5' 5" | 145 lbs. | -- | 6 | 7 | 0 | |||
| Garreth | McLellan | Soldier Boy | 6' 1" | 185 lbs. | 72.0" | Southpaw | 13 | 6 | 0 | |
| Sara | McMann | 5' 6" | 135 lbs. | 66.0" | Orthodox | 13 | 6 | 0 | ||
| James | McSweeney | The Hammer | 6' 4" | 230 lbs. | 77.0" | Switch | 15 | 15 | 0 | |
| Charles | McTorry | -- | -- | -- | 3 | 0 | 0 | |||
| Daniel | McWilliams | The Animal | 6' 1" | 185 lbs. | -- | 15 | 37 | 0 | ||
| Tim | Means | The Dirty Bird | 6' 2" | 170 lbs. | 75.0" | Orthodox | 33 | 15 | 1 | |
| Yancy | Medeiros | 5' 10" | 155 lbs. | 75.0" | Orthodox | 15 | 8 | 0 | ||
| Anistavio | Medeiros | Gasparzinho | 5' 6" | 145 lbs. | -- | Orthodox | 19 | 10 | 0 | |
| Kaline | Medeiros | The Dark Angel | 5' 3" | 115 lbs. | -- | 8 | 5 | 0 | ||
| Marquel | Mederos | -- | 155 lbs. | -- | 7 | 1 | 0 | |||
| Uros | Medic | The Doctor | 6' 1" | 170 lbs. | 71.0" | Southpaw | 9 | 1 | 0 |