| Fighter | Nickname | Height | Weight | Association | |
 |
Jordan Thirkell | 0'0" (0 m) |
170 lbs (77.11 kg) |
Iron Fist Mixed Martial Arts | |
|
Jordan Seim | 0'0" (0 m) |
186 lbs (84.37 kg) |
Iron Fist MMA | |
|
Jorge Luiz | "Jorginho Iron Hand" | 0'0" (0 m) |
145 lbs (65.77 kg) |
Iron Fight/12 David s/MFT |
|
Jose Parra | 0'0" (0 m) |
0 lbs (0 kg) |
Iron Fighter | |
|
Jose Rafael | "Marreta" | 5'11" (1.8 m) |
170 lbs (77.11 kg) |
Iron Brothers |
|
Jose Rafael Santos | "Ze Maritaca" | 5'10" (1.78 m) |
185 lbs (83.91 kg) |
Iron Brothers |
|
Joseph Simon | 0'0" (0 m) |
212 lbs (96.16 kg) |
Iron Gloves Boxing | |
|
Joseph McKernan | 5'7" (1.7 m) |
129 lbs (58.51 kg) |
Iron Pit Fight Team | |
|
Joseph Nava | 0'0" (0 m) |
265 lbs (120.2 kg) |
Iron Gym MMA Orange | |
|
Josh Kaldani | 0'0" (0 m) |
155 lbs (70.31 kg) |
Iron Wolves | |
|
Juan Parra | 5'8" (1.73 m) |
141 lbs (63.96 kg) |
Iron Core Athletics | |
|
Julian Wilson | 5'8" (1.73 m) |
205 lbs (92.99 kg) |
Iron Matrix | |
|
Juliano Rodolfo Silva | "Perereca" | 0'0" (0 m) |
145 lbs (65.77 kg) |
Iron Jiu-Jitsu |
|
Junior Tickiti | 0'0" (0 m) |
145 lbs (65.77 kg) |
Iron Team | |
|
Junior Alves | "Juninho Triket" | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Iron Brothers |
|
Junior Neves | "Jota" | 0'0" (0 m) |
155 lbs (70.31 kg) |
Iron Jiu-jitsu |
|
Justin Lansing | 6'2" (1.88 m) |
185 lbs (83.91 kg) |
Carlson Gracie Canada / Iron City Muay Thai | |
|
Justin Hale | 5'9" (1.75 m) |
155 lbs (70.31 kg) |
Iron Lock MMA | |
|
Kadir Cay | 0'0" (0 m) |
170 lbs (77.11 kg) |
Iron Fist Gym Vienna | |
|
Kamil Jasek | 0'0" (0 m) |
175 lbs (79.38 kg) |
Iron Mielec | |
