| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Luis | Mendoza | -- | 155 lbs. | -- | 0 | 1 | 0 | |||
| Pietro | Menga | 5' 7" | 125 lbs. | 68.0" | Southpaw | 13 | 0 | 0 | ||
| Alonzo | Menifield | Atomic | 6' 0" | 205 lbs. | 76.0" | Orthodox | 15 | 3 | 1 | |
| Ivan | Menjivar | The Pride of El Salvador | 5' 6" | 145 lbs. | 64.0" | Orthodox | 25 | 12 | 0 | |
| Dave | Menne | The Warrior | 5' 10" | 170 lbs. | -- | Orthodox | 45 | 17 | 2 | |
| Steve | Mensing | The Machine | 5' 11" | 185 lbs. | -- | Orthodox | 9 | 13 | 2 | |
| Buck | Meredith | 6' 2" | 185 lbs. | -- | 3 | 3 | 0 | |||
| Adam | Meredith | 6' 2" | 170 lbs. | -- | 5 | 3 | 0 | |||
| Nick | Meregali | -- | -- | -- | 0 | 0 | 0 | |||
| Joe | Merritt | 6' 0" | 170 lbs. | -- | Orthodox | 7 | 2 | 0 | ||
| Jeremiah | Metcalf | 6' 1" | 185 lbs. | -- | Orthodox | 13 | 7 | 0 | ||
| Jonathan | Meunier | District | 6' 3" | 170 lbs. | -- | Switch | 8 | 1 | 0 | |
| Yaotzin | Meza | 5' 9" | 145 lbs. | 71.0" | Orthodox | 21 | 11 | 0 | ||
| Guy | Mezger | 6' 1" | 200 lbs. | -- | Orthodox | 30 | 14 | 2 | ||
| Brandon | Michaels | 5' 9" | 185 lbs. | -- | 4 | 14 | 0 | |||
| Andreas | Michailidis | The Spartan | 6' 0" | 170 lbs. | 76.0" | Orthodox | 13 | 6 | 0 | |
| David | Michaud | BullDawg | 5' 9" | 155 lbs. | -- | Orthodox | 11 | 3 | 0 | |
| Chris | Mickle | 5' 9" | 145 lbs. | -- | Orthodox | 30 | 21 | 2 | ||
| Zachary | Micklewright | 6' 0" | 155 lbs. | 74.0" | Southpaw | 15 | 3 | 0 | ||
| Kristof | Midoux | The Hurricane | 6' 1" | 220 lbs. | -- | Orthodox | 6 | 10 | 0 | |
| Keith | Mielke | 5' 8" | 185 lbs. | -- | 0 | 5 | 0 | |||
| Chris | Mierzwiak | 6' 1" | 185 lbs. | -- | 5 | 3 | 0 | |||
| Gabriel | Miglioli | Biel | 5' 8" | 170 lbs. | -- | 9 | 9 | 0 | ||
| Bojan | Mihajlovic | 5' 11" | 205 lbs. | 73.0" | Orthodox | 10 | 6 | 0 |