';
| Fighter | Nickname | Height | Weight | Association | |
| Hisashi Hiyama | 0'0" (0 m) |
154 lbs (69.85 kg) |
Rodeo Style | ||
| Igor Barcelos | 0'0" (0 m) |
170 lbs (77.11 kg) |
Team Sanshou Free Style / Team Gilmar Andrade | ||
| Igor Zanuncio | "Makachev" | 5'11" (1.8 m) |
170 lbs (77.11 kg) |
Sanshou Free Style Team | |
| Isaac Kereama | 0'0" (0 m) |
174 lbs (78.93 kg) |
Kiwi Style Muay Thai | ||
| Isaac Peixoto | 0'0" (0 m) |
145 lbs (65.77 kg) |
Free Style | ||
| Ivan Pena | "La Cobra" | 0'0" (0 m) |
135 lbs (61.23 kg) |
Strong Style Fight Team | |
| Izumi Noguchi | "Jet Izumi" | 5'2" (1.57 m) |
115 lbs (52.16 kg) |
M16 Muay Thai Style | |
| Izumi Nakahata | 5'9" (1.75 m) |
185 lbs (83.91 kg) |
J-Style | ||
| Jacob McCrea | 5'8" (1.73 m) |
155 lbs (70.31 kg) |
Rodeo Style | ||
| Jake Peterjohn | 5'6" (1.68 m) |
131 lbs (59.42 kg) |
Strong Style Fight Team | ||
| James Ritchie | 5'10" (1.78 m) |
205 lbs (92.99 kg) |
Strong Style Fight Team | ||
| Jamie Point | 6'0" (1.83 m) |
185 lbs (83.91 kg) |
Creep Style MMA / Lucero BJJ | ||
| Jarrel Miller | "J.T." | 5'11" (1.8 m) |
170 lbs (77.11 kg) |
Strong Style Fight Team | |
| Jeff Cox | 5'10" (1.78 m) |
155 lbs (70.31 kg) |
Strong Style Fight Team | ||
| Jeff Hughes | "Lights Out" | 6'2" (1.88 m) |
253 lbs (114.76 kg) |
Strong Style Fight Team | |
| Jerald Spohn | 6'1" (1.85 m) |
170 lbs (77.11 kg) |
Strong Style Fight Team | ||
| Jeremy Deleon | 0'0" (0 m) |
265 lbs (120.2 kg) |
Strong Style Martial Arts | ||
| Jian Andrei Sabio | 5'5" (1.65 m) |
135 lbs (61.23 kg) |
S.M.A.R.T. Fighting Style MMA Iriga | ||
| Joe Heiland | "Smokin" | 5'8" (1.73 m) |
155 lbs (70.31 kg) |
Strong Style Fight Team | |
| Joe Corrigan | 0'0" (0 m) |
145 lbs (65.77 kg) |
Strong Style Fight Team | ||