| Fighter | Nickname | Height | Weight | Association | |
 |
Jessie Reasoner | 6'4" (1.93 m) |
315 lbs (142.88 kg) |
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|
Jhon Lyon Linhares Ribeiro | 0'0" (0 m) |
285 lbs (129.27 kg) |
||
|
Jimmy Ambriz | "The Titan" | 6'0" (1.83 m) |
301 lbs (136.53 kg) |
|
|
Jimmy Webb | 5'10" (1.78 m) |
275 lbs (124.74 kg) |
||
|
Jodie Burkholder | 0'0" (0 m) |
305 lbs (138.35 kg) |
Siam MMA | |
|
Joe Mellotte | 6'2" (1.88 m) |
340 lbs (154.22 kg) |
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|
Joe Stripling | "Bazooka" | 6'2" (1.88 m) |
285 lbs (129.27 kg) |
302 BJJ |
|
Joe Aquino | 0'0" (0 m) |
290 lbs (131.54 kg) |
||
|
Joe Fairbrother | 0'0" (0 m) |
293 lbs (132.9 kg) |
||
|
Joe Jennings | 0'0" (0 m) |
315 lbs (142.88 kg) |
||
|
Joel Parades | 0'0" (0 m) |
295 lbs (133.81 kg) |
||
|
Joel Moore | 0'0" (0 m) |
300 lbs (136.08 kg) |
||
|
Joey Smith | 0'0" (0 m) |
320 lbs (145.15 kg) |
||
|
Joey Ormsbee | 0'0" (0 m) |
289 lbs (131.09 kg) |
||
|
John Matua | 6'2" (1.88 m) |
400 lbs (181.44 kg) |
||
|
John Dixson | "Big" | 6'0" (1.83 m) |
275 lbs (124.74 kg) |
Dixson's Dungeon |
|
John Brown | "Big" | 5'10" (1.78 m) |
365 lbs (165.56 kg) |
Dixson's Dungeon |
|
John Brokowske | 6'7" (2.01 m) |
295 lbs (133.81 kg) |
Universal Grappling Academy | |
|
John Hernholm | 6'5" (1.96 m) |
325 lbs (147.42 kg) |
||
|
John Highland | 6'1" (1.85 m) |
315 lbs (142.88 kg) |
||
