| Fighter | Nickname | Height | Weight | Association | |
 |
Jae Hun Kim | "Yakuza" | 5'11" (1.8 m) |
325 lbs (147.42 kg) |
Team ONE |
|
Jae Hyeok Heo | 6'0" (1.83 m) |
272 lbs (123.38 kg) |
Road Gym Rodeo | |
|
Jaime Jolley | 0'0" (0 m) |
297 lbs (134.72 kg) |
Team Crolin Gracie | |
|
Jake Ballard | 0'0" (0 m) |
320 lbs (145.15 kg) |
||
|
Jake Sage | "Juggernaut" | 6'3" (1.91 m) |
315 lbs (142.88 kg) |
Renegade BJJ and MMA |
|
James Nevarez | 6'2" (1.88 m) |
280 lbs (127.01 kg) |
||
|
James Thorpe | 6'1" (1.85 m) |
290 lbs (131.54 kg) |
Velocity Kickboxing | |
|
James Neely | "Kritter" | 0'0" (0 m) |
285 lbs (129.27 kg) |
|
|
James McMahon | 0'0" (0 m) |
275 lbs (124.74 kg) |
||
|
James Ousley | 0'0" (0 m) |
308 lbs (139.71 kg) |
||
|
James Neff | 0'0" (0 m) |
342 lbs (155.13 kg) |
||
|
James Ledbetter | 0'0" (0 m) |
325 lbs (147.42 kg) |
||
|
James Dennis | "The Menace" | 6'4" (1.93 m) |
338 lbs (153.31 kg) |
Victory MMA |
|
James Sears Jr | 6'5" (1.96 m) |
267 lbs (121.11 kg) |
||
|
Jamor James Jr. | 6'3" (1.91 m) |
325 lbs (147.42 kg) |
||
|
Jan Nortje | "The Giant" | 6'11" (2.11 m) |
333 lbs (151.05 kg) |
Steve's Gym |
|
Jared Goodvoice | 0'0" (0 m) |
315 lbs (142.88 kg) |
||
|
Jarrett Wainohu | 0'0" (0 m) |
319 lbs (144.7 kg) |
Ignite SC | |
|
Jasmin Mayer | "T-Rex" | 0'0" (0 m) |
370 lbs (167.83 kg) |
MMA Team Ban |
|
Jason Brodeur | 6'3" (1.91 m) |
298 lbs (135.17 kg) |
||
