';
| Fighter | Nickname | Height | Weight | Association | |
| Dragon Hammer | 0'0" (0 m) |
0 lbs (0 kg) |
SAW Yamaguchi | ||
| Edson Silva | 5'8" (1.73 m) |
145 lbs (65.77 kg) |
Pedro Yamaguchi Academy | ||
| Jun Ozeki | 5'8" (1.73 m) |
145 lbs (65.77 kg) |
Master Japan Yamaguchi Ube | ||
| Kaname Motomatsu | 5'7" (1.7 m) |
145 lbs (65.77 kg) |
Master Japan Yamaguchi Ube | ||
| Kanichi Oda | "Koji" | 0'0" (0 m) |
145 lbs (65.77 kg) |
Master Japan Yamaguchi Ube | |
| Kensaku Kodama | 5'9" (1.75 m) |
135 lbs (61.23 kg) |
Wajutsu Keishukai Yamaguchi | ||
| Koji Oda | 0'0" (0 m) |
143 lbs (64.86 kg) |
Wajutsu Keishukai Yamaguchi | ||
| Kyohei Kurose | 5'4" (1.63 m) |
115 lbs (52.16 kg) |
Master Japan Yamaguchi Ube | ||
| Lucas Andrade | "Giginho" | 5'7" (1.7 m) |
154 lbs (69.85 kg) |
Sensei Pia / Yamaguchi | |
| Masayuki Ino | 0'0" (0 m) |
152 lbs (68.95 kg) |
Wajutsu Keishukai Yamaguchi | ||
| Matheus Nascimento dos Santos | "Pelezinho" | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Team Yamaguchi | |
| Mauricio Rodrigues Santos da Silva | 0'0" (0 m) |
135 lbs (61.23 kg) |
Team Yamaguchi | ||
| Naoya Takamori | 0'0" (0 m) |
145 lbs (65.77 kg) |
Wajutsu Keishukai Yamaguchi | ||
| Noriyuki Sakaue | 0'0" (0 m) |
145 lbs (65.77 kg) |
Wajutsu Keishukai Yamaguchi | ||
| Ryunosuke Matsuoka | 5'8" (1.73 m) |
135 lbs (61.23 kg) |
Master Japan Yamaguchi Ube | ||
| Yoshiki Ueda | 0'0" (0 m) |
116 lbs (52.62 kg) |
Wajutsu Keishukai Yamaguchi | ||
| Yoshiteru Ueda | 0'0" (0 m) |
125 lbs (56.7 kg) |
Wajutsu Keishukai Yamaguchi | ||
| Yuma Yamaguchi | 0'0" (0 m) |
145 lbs (65.77 kg) |
Yamaguchi Dojo | ||