';
| Fighter | Nickname | Height | Weight | Association | |
| Joe Hanley | 0'0" (0 m) |
135 lbs (61.23 kg) |
Knockout Gym | ||
| Joe Schmitt | 0'0" (0 m) |
170 lbs (77.11 kg) |
Knockout Fitness | ||
| Jonas Bilharinho | "Jake" | 5'11" (1.8 m) |
145 lbs (65.77 kg) |
Knockout Squad | |
| Jose Sanchez | 0'0" (0 m) |
185 lbs (83.91 kg) |
Knockout Training Center | ||
| Juan Carlos Bruno | 0'0" (0 m) |
115 lbs (52.16 kg) |
Knockout Training Center | ||
| Juan Jose Pillaca | 0'0" (0 m) |
130 lbs (58.97 kg) |
Knockout Training Center | ||
| Jules Henri Hakim | 5'6" (1.68 m) |
145 lbs (65.77 kg) |
Knockout Academy | ||
| Kapil Kumar | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Knockout Fight Club | ||
| Khaldoun Chamseddine | 5'9" (1.75 m) |
154 lbs (69.85 kg) |
Knockout Academy | ||
| Krishna Kumar Yadav | 5'6" (1.68 m) |
125 lbs (56.7 kg) |
Knockout Fight Club | ||
| Lemetra Griffin | "5150" | 0'0" (0 m) |
185 lbs (83.91 kg) |
Knockout Gym | |
| Leo Dida | 0'0" (0 m) |
155 lbs (70.31 kg) |
Knockout Team | ||
| Luigui Abanto | 0'0" (0 m) |
115 lbs (52.16 kg) |
Knockout Training Center | ||
| Luke Thomas | 0'0" (0 m) |
125 lbs (56.7 kg) |
Team Knockout | ||
| Mahmoud Mohamed | "Agogo" | 5'11" (1.8 m) |
125 lbs (56.7 kg) |
Knockout Team | |
| Maksym Mitsko | 0'0" (0 m) |
125 lbs (56.7 kg) |
Knockout | ||
| Mandeep Prajapati | 5'8" (1.73 m) |
155 lbs (70.31 kg) |
Knockout Boxing Club | ||
| Martin Castro | 5'8" (1.73 m) |
154 lbs (69.85 kg) |
Knockout Zone | ||
| Mateusz Winiarski | 0'0" (0 m) |
155 lbs (70.31 kg) |
Tapout Knockout | ||
| Matheus Santos | 5'7" (1.7 m) |
125 lbs (56.7 kg) |
MMA FC and Knockout Boxing | ||