';
| Fighter | Nickname | Height | Weight | Association | |
| Adrian Silva | "The Warrior King" | 6'1" (1.85 m) |
205 lbs (92.99 kg) |
One Nation MMA | |
| Adrian Barron | 6'1" (1.85 m) |
185 lbs (83.91 kg) |
One Nation MMA | ||
| Alec Killebrew | 5'10" (1.78 m) |
155 lbs (70.31 kg) |
One Nation | ||
| Alexis Chapa | 5'2" (1.57 m) |
125 lbs (56.7 kg) |
One Nation Fight Team | ||
| Anastacio Barrientos | 0'0" (0 m) |
170 lbs (77.11 kg) |
One Nation | ||
| Andres Oviedo | 0'0" (0 m) |
145 lbs (65.77 kg) |
One Nation MMA | ||
| Bill Peck | 0'0" (0 m) |
170 lbs (77.11 kg) |
One Nation Fight Team | ||
| Daniel Parks | 5'9" (1.75 m) |
185 lbs (83.91 kg) |
One Nation MMA | ||
| Eathon Rider | 5'4" (1.63 m) |
135 lbs (61.23 kg) |
One Nation MMA | ||
| Ernesto Lopez | 5'11" (1.8 m) |
170 lbs (77.11 kg) |
One Nation Fight Team | ||
| Francisco Jacobo | 5'6" (1.68 m) |
145 lbs (65.77 kg) |
One Nation MMA | ||
| Johnathan Santore-Tovar | "El Toro" | 5'8" (1.73 m) |
170 lbs (77.11 kg) |
One Nation MMA | |
| Jose Leandro | 5'6" (1.68 m) |
135 lbs (61.23 kg) |
One Nation MMA | ||
| Josh Powell | "JP" | 6'3" (1.91 m) |
244 lbs (110.68 kg) |
One Nation Fight Team | |
| Juan Salcedo | 5'3" (1.6 m) |
135 lbs (61.23 kg) |
One Nation MMA | ||
| Kamran Pilkinton | 5'10" (1.78 m) |
185 lbs (83.91 kg) |
One Nation MMA | ||
| Kathy Solorzano | 5'3" (1.6 m) |
115 lbs (52.16 kg) |
One Nation Fight Team | ||
| Lonnie Campbell | "The Bako Bad Boy" | 0'0" (0 m) |
170 lbs (77.11 kg) |
One Nation MMA | |
| Rafael Jimenez | "Godspeed" | 5'8" (1.73 m) |
170 lbs (77.11 kg) |
One Nation MMA | |
| Robert Swan | 5'9" (1.75 m) |
155 lbs (70.31 kg) |
One Nation Fight Team | ||