| Fighter | Nickname | Height | Weight | Association | |
 |
Ian McNeill | 0'0" (0 m) |
185 lbs (83.91 kg) |
International Fighting Systems | |
|
Ibrahim Abdulsalam | "Mahakao" | 5'7" (1.7 m) |
125 lbs (56.7 kg) |
Muscle Up / Mayhem Fighting Systems |
|
Iyean Varela | 5'7" (1.7 m) |
125 lbs (56.7 kg) |
Sandoval Fighting Systems | |
|
J.D. Patterson | 6'0" (1.83 m) |
265 lbs (120.2 kg) |
Miletich Fighting Systems | |
|
Jabari Barrett | 5'11" (1.8 m) |
145 lbs (65.77 kg) |
Renegade Fighting Systems | |
|
Jack Tolley | 6'1" (1.85 m) |
185 lbs (83.91 kg) |
Tactical Fighting Systems | |
|
Jake Klemme | "Flake" | 6'0" (1.83 m) |
145 lbs (65.77 kg) |
Miletich Fighting Systems |
|
Jakub Batfalsky | 6'0" (1.83 m) |
150 lbs (68.04 kg) |
Jayman MMA Fighting Systems | |
|
Jamie Spooner | 0'0" (0 m) |
0 lbs (0 kg) |
Elite Fighting Systems | |
|
Jan David | "Fantastic" | 6'0" (1.83 m) |
155 lbs (70.31 kg) |
Jayman MMA Fighting Systems |
|
Jan Sremer | 0'0" (0 m) |
205 lbs (92.99 kg) |
Jayman MMA Fighting Systems | |
|
Jan Pavelica | 0'0" (0 m) |
200 lbs (90.72 kg) |
Jayman MMA Fighting Systems | |
|
Jan Holub | 0'0" (0 m) |
160 lbs (72.57 kg) |
Jayman MMA Fighting Systems | |
|
Jan Macek | 0'0" (0 m) |
173 lbs (78.47 kg) |
Jayman MMA Fighting Systems | |
|
Jan Kacmar | 0'0" (0 m) |
130 lbs (58.97 kg) |
Jayman MMA Fighting Systems | |
|
Jan Muzik | 0'0" (0 m) |
168 lbs (76.2 kg) |
Jayman MMA Fighting Systems | |
|
Jared Dumais | 5'7" (1.7 m) |
145 lbs (65.77 kg) |
Miletich Fighting Systems NH | |
|
Jason Barrett | 0'0" (0 m) |
167 lbs (75.75 kg) |
Elite Fighting Systems | |
|
Jason Louck | 6'1" (1.85 m) |
170 lbs (77.11 kg) |
Miletich Fighting Systems | |
|
Jason McKnight | 0'0" (0 m) |
135 lbs (61.23 kg) |
International Fighting Systems | |
