';
| Fighter | Nickname | Height | Weight | Association | |
| Byeong-Hyeon Lee | 6'1" (1.85 m) |
170 lbs (77.11 kg) |
Bros Gym | ||
| Hwan Hee Lee | 5'9" (1.75 m) |
205 lbs (92.99 kg) |
Bros Gym | ||
| Isaac Villegas | 0'0" (0 m) |
155 lbs (70.31 kg) |
Villegas Bros. Gym | ||
| Jose Eduardo Robles Hernandez | 5'5" (1.65 m) |
135 lbs (61.23 kg) |
Villegas Bros. Gym | ||
| Jun Yong Cho | "Mr. Satan" | 5'10" (1.78 m) |
155 lbs (70.31 kg) |
Ssen Gym / Bros Gym | |
| Steve Dunn | "The Sandman" | 0'0" (0 m) |
170 lbs (77.11 kg) |
Cappiello Bros. Boxing Gym | |
| Tae Woo Yoo | 5'7" (1.7 m) |
155 lbs (70.31 kg) |
Bros Gym | ||
| Yoon Hyuk Lee | 0'0" (0 m) |
185 lbs (83.91 kg) |
Bros Gym | ||