| Fighter | Nickname | Height | Weight | Association | |
 |
Jason Pacheco | 5'11" (1.8 m) |
125 lbs (56.7 kg) |
One Kick's Gym | |
|
Jason Francisco | 5'10" (1.78 m) |
185 lbs (83.91 kg) |
Plus One Defense | |
|
Jason Covelle | 0'0" (0 m) |
265 lbs (120.2 kg) |
Power of One | |
|
Javier Perez Gonzalez | 0'0" (0 m) |
151 lbs (68.49 kg) |
One Strike | |
|
Jeff Roman | "The Bullet" | 5'10" (1.78 m) |
170 lbs (77.11 kg) |
One Kick's Gym |
|
Joao Paulo Oliveira | "Jotapeh" | 0'0" (0 m) |
135 lbs (61.23 kg) |
Team One Itapeva |
|
Joao Vitor Ramos Dantas | 6'2" (1.88 m) |
185 lbs (83.91 kg) |
Number One Fight Center | |
|
Joe Wong | 0'0" (0 m) |
186 lbs (84.37 kg) |
One Fight Camp | |
|
Joe Chew | 0'0" (0 m) |
0 lbs (0 kg) |
One MMA Academy | |
|
John Andrus | 5'4" (1.63 m) |
125 lbs (56.7 kg) |
One Training Center | |
|
John Morgan | 6'0" (1.83 m) |
0 lbs (0 kg) |
One on One | |
|
John Molina | "West Coast" | 5'8" (1.73 m) |
185 lbs (83.91 kg) |
One Legacy |
|
Johnathan Santore-Tovar | "El Toro" | 5'8" (1.73 m) |
170 lbs (77.11 kg) |
One Nation MMA |
|
Johnny Curtis | "The Tree Man" | 6'3" (1.91 m) |
230 lbs (104.33 kg) |
One Spirit Martial Arts |
|
Johnrey Alejandro | "The Buffalo" | 5'4" (1.63 m) |
125 lbs (56.7 kg) |
The Alpha One |
|
Jon Conklin | "The Peruvian Pitbull" | 0'0" (0 m) |
125 lbs (56.7 kg) |
Power of One |
|
Jonathan De Leon | "The Triple Threat" | 5'10" (1.78 m) |
145 lbs (65.77 kg) |
One Kick's Gym / Camarillo Jiu-Jitsu |
|
Jonathan Sanchez Moreno | 0'0" (0 m) |
155 lbs (70.31 kg) |
One vs One | |
|
Jonathon Colon | 0'0" (0 m) |
170 lbs (77.11 kg) |
Plus One Defense | |
|
Jordan Rinaldi | "All Day" | 5'10" (1.78 m) |
145 lbs (65.77 kg) |
One Kick's Gym / Sergio Penha BJJ |
