| Fighter | Nickname | Height | Weight | Association | |
 |
J.D. Du Plessis | 0'0" (0 m) |
145 lbs (65.77 kg) |
JD's MMA Gym | |
|
Jade Masson-Wong | "Evil Smile" | 5'4" (1.63 m) |
125 lbs (56.7 kg) |
Nova Gym Centre Fitness MMA |
|
Jairo Betancourth | 0'0" (0 m) |
155 lbs (70.31 kg) |
Aguilar Gym MMA | |
|
Jakov Borissov | 0'0" (0 m) |
0 lbs (0 kg) |
Parnu MMA Gym | |
|
Jakub Krtil | 0'0" (0 m) |
155 lbs (70.31 kg) |
MMA Monster Gym | |
|
Jakub Weidenthaler | "Wajdy" | 5'9" (1.75 m) |
115 lbs (52.16 kg) |
MMA Gym Prepere |
|
Jakub Petruj | 0'0" (0 m) |
155 lbs (70.31 kg) |
MMA Gym Praha | |
|
James Lemuel Lavina | "James" | 5'4" (1.63 m) |
165 lbs (74.84 kg) |
Bantayog Fitness Gym E-MMA |
|
Jamie Hayes | 0'0" (0 m) |
170 lbs (77.11 kg) |
Warrington Kickboxing / Wolf-Gym MMA. | |
|
Jan Bosak | 5'9" (1.75 m) |
145 lbs (65.77 kg) |
MMA Monster Gym | |
|
Jan Rathousky | 0'0" (0 m) |
185 lbs (83.91 kg) |
MMA Monster Gym | |
|
Jan Hruska | 0'0" (0 m) |
155 lbs (70.31 kg) |
Gym 24 MMA PDY | |
|
Jason Vergara | "Python" | 5'7" (1.7 m) |
115 lbs (52.16 kg) |
UGB MMA Gym |
|
Jawad Mahmoody | 0'0" (0 m) |
170 lbs (77.11 kg) |
Cardio-Flex MMA Gym | |
|
Jaypee Espinosa | 5'9" (1.75 m) |
154 lbs (69.85 kg) |
UGB MMA Gym | |
|
Jen Damaso | 0'0" (0 m) |
130 lbs (58.97 kg) |
Kafagway MMA Gym | |
|
Jerome Labnas | 0'0" (0 m) |
125 lbs (56.7 kg) |
Kafagway MMA Gym | |
|
Jessen Ong | 0'0" (0 m) |
0 lbs (0 kg) |
3S MMA Gym | |
|
Jez Lord | 0'0" (0 m) |
155 lbs (70.31 kg) |
Semtex Gym Essex / MMA Terror Squad | |
|
Jiaerken Ailimubai | 5'6" (1.68 m) |
135 lbs (61.23 kg) |
Longyun MMA Gym | |
