';
| Fighter | Nickname | Height | Weight | Association | |
| Arseniy Milov | 5'9" (1.75 m) |
135 lbs (61.23 kg) |
R.O.D. | ||
| Artem Fedosov | 5'9" (1.75 m) |
170 lbs (77.11 kg) |
R.O.D. | ||
| Artem Trunev | 0'0" (0 m) |
154 lbs (69.85 kg) |
R.O.D. | ||
| Artur Pronin | "Predator" | 6'0" (1.83 m) |
185 lbs (83.91 kg) |
R.O.D. | |
| Arturo Castillejos | 5'5" (1.65 m) |
135 lbs (61.23 kg) |
Gym-O | ||
| Austin Bagley | 5'9" (1.75 m) |
145 lbs (65.77 kg) |
Gym-O | ||
| Avery Evans | 6'0" (1.83 m) |
185 lbs (83.91 kg) |
Gym-O | ||
| Bartek Majewski | "Batet" | 0'0" (0 m) |
135 lbs (61.23 kg) |
K.O.Zak | |
| Brandon Lee | "The Undertaker" | 6'0" (1.83 m) |
220 lbs (99.79 kg) |
S.W.O.L. Sports Performance | |
| Brent McCoy | 5'11" (1.8 m) |
205 lbs (92.99 kg) |
Team L.O.K. | ||
| Bruno Gustavo Kopp | "Mascote " | 0'0" (0 m) |
125 lbs (56.7 kg) |
Cabulosão Team | |
| Bryan Barberena | "Bam Bam" | 6'0" (1.83 m) |
185 lbs (83.91 kg) |
Gym-O | |
| Bryan Zambrano | 0'0" (0 m) |
155 lbs (70.31 kg) |
K.O. Club | ||
| Caleb Spears | "The Cowboy" | 5'10" (1.78 m) |
170 lbs (77.11 kg) |
Gym-O | |
| Cameron Dodgin | 0'0" (0 m) |
170 lbs (77.11 kg) |
K.O.K. Fight Club | ||
| Carlos Alexandre | "Grego" | 0'0" (0 m) |
135 lbs (61.23 kg) |
O Templo | |
| Cary Miller | "The Berserker" | 6'1" (1.85 m) |
240 lbs (108.86 kg) |
Gym-O | |
| Caua Vitor Silva Francisco | 0'0" (0 m) |
125 lbs (56.7 kg) |
Team Maranhão | ||
| Chad Agnor | "The Cannibal" | 6'4" (1.93 m) |
255 lbs (115.67 kg) |
Team M.O.B. | |
| Chiro Hirayama | 0'0" (0 m) |
145 lbs (65.77 kg) |
K.O. Shooto Gym | ||