| Fighter | Nickname | Height | Weight | Association | |
 |
J.J. Williams | 5'10" (1.78 m) |
155 lbs (70.31 kg) |
The Lab | |
|
J.J. MacDonald | 6'1" (1.85 m) |
185 lbs (83.91 kg) |
The Lab Mixed Martial Arts Academy | |
|
Jack Matalavage | "Lumberjack" | 5'9" (1.75 m) |
170 lbs (77.11 kg) |
The Lab Mixed Martial Arts Academy |
|
Jack Owens | 0'0" (0 m) |
135 lbs (61.23 kg) |
The Lab Mixed Martial Arts Academy | |
|
Jeong Yun Choi | "Flamingo" | 5'9" (1.75 m) |
125 lbs (56.7 kg) |
The Gym Lab |
|
Ji Yeon Seo | "Honey Bee" | 5'5" (1.65 m) |
115 lbs (52.16 kg) |
The Gym Lab |
|
Jonathan Campbell | 5'8" (1.73 m) |
125 lbs (56.7 kg) |
The Lab Mixed Martial Arts Academy | |
|
Joon Gun Cho | "Tyrant" | 5'3" (1.6 m) |
126 lbs (57.15 kg) |
Team Marco / The Gym Lab |
|
Joshua Rivera | "Titan" | 6'1" (1.85 m) |
222 lbs (100.7 kg) |
The Fight Lab |
|
Jun Hyung Lee | "Gargamel" | 5'9" (1.75 m) |
155 lbs (70.31 kg) |
The Gym Lab |
|
Jung Han Lee | "Jangsan" | 5'11" (1.8 m) |
156 lbs (70.76 kg) |
The Gym Lab / Team Crazy |
|
Justin Rodgers | "J-Train" | 6'0" (1.83 m) |
180 lbs (81.65 kg) |
The Lab |
|
Kev Coglin | 0'0" (0 m) |
125 lbs (56.7 kg) |
The Lab | |
|
Kevin Park | "The Mutant Vampire" | 5'3" (1.6 m) |
145 lbs (65.77 kg) |
The Gym Lab |
|
Lanchana Green | 5'4" (1.63 m) |
115 lbs (52.16 kg) |
The Lab Darlington | |
|
Luke Varnell | 5'11" (1.8 m) |
135 lbs (61.23 kg) |
The Fight Lab | |
|
Luke Nesbit-Reay | 0'0" (0 m) |
135 lbs (61.23 kg) |
The Lab | |
|
Marcanthony America | 5'8" (1.73 m) |
154 lbs (69.85 kg) |
The Lab Mixed Martial Arts Academy | |
|
Mark Anthony Jalaron | "Silent Warrior" | 5'5" (1.65 m) |
115 lbs (52.16 kg) |
The Lab |
|
Martin Wilby | "Wil" | 0'0" (0 m) |
155 lbs (70.31 kg) |
The Lab Darlington |
