| Fighter | Nickname | Height | Weight | Association | |
 |
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 | |
|
Bryan Barberena | "Bam Bam" | 6'0" (1.83 m) |
185 lbs (83.91 kg) |
Gym-O |
|
Caleb Spears | "The Cowboy" | 5'10" (1.78 m) |
170 lbs (77.11 kg) |
Gym-O |
|
Cary Miller | "The Berserker" | 0'0" (0 m) |
240 lbs (108.86 kg) |
Gym-O |
|
Chiro Hirayama | 0'0" (0 m) |
145 lbs (65.77 kg) |
K.O. Shooto Gym | |
|
Chris Davis | 5'11" (1.8 m) |
155 lbs (70.31 kg) |
Gym-O | |
|
Collin Godbout | "Big C" | 6'0" (1.83 m) |
135 lbs (61.23 kg) |
Gym-O |
|
Dakota Dyer | 6'3" (1.91 m) |
185 lbs (83.91 kg) |
Gym-O | |
|
Danny Zea | 0'0" (0 m) |
185 lbs (83.91 kg) |
Gym-O | |
|
David Carson | 0'0" (0 m) |
170 lbs (77.11 kg) |
Gym-O | |
|
Diego Costa | "Nanu" | 5'5" (1.65 m) |
135 lbs (61.23 kg) |
Gym-O |
|
Eric Martinez | 5'5" (1.65 m) |
135 lbs (61.23 kg) |
Gym-O | |
|
Fredi Gonzales | "El Gigante / Freyded Ramkyn" | 6'4" (1.93 m) |
313 lbs (141.97 kg) |
A.D.O.G. Gym |
|
Gedeon Mbayamukendi | 5'9" (1.75 m) |
145 lbs (65.77 kg) |
Gym-O | |
|
George Lo | 6'0" (1.83 m) |
185 lbs (83.91 kg) |
Gym-O | |
|
Hiroki Hirano | 5'5" (1.65 m) |
125 lbs (56.7 kg) |
K.O. Shooto Gym | |
|
Hitoshi Ogasawara | "Super Hitoshi-kun" | 5'6" (1.68 m) |
145 lbs (65.77 kg) |
K.O. Shooto Gym / 3 Pound |
|
Jeff Henry | 5'9" (1.75 m) |
185 lbs (83.91 kg) |
Gym O | |
