| Fighter | Nickname | Height | Weight | Association | |
 |
Jahreau Shepherd | "The Nightmare" | 5'11" (1.8 m) |
171 lbs (77.56 kg) |
London Fight Factory |
|
Jake Geauvreau | 6'0" (1.83 m) |
145 lbs (65.77 kg) |
613 Fight Factory | |
|
Jamal Perkins | 5'7" (1.7 m) |
155 lbs (70.31 kg) |
808 Fight Factory | |
|
Jamal Jamal | 0'0" (0 m) |
0 lbs (0 kg) |
808 Fight Factory | |
|
Jamar Dumlao | 0'0" (0 m) |
135 lbs (61.23 kg) |
808 Fight Factory | |
|
James Funny | 0'0" (0 m) |
205 lbs (92.99 kg) |
Colorado Fight Factory | |
|
James Jones | "The Kid" | 0'0" (0 m) |
170 lbs (77.11 kg) |
Fight Factory Roseburg |
|
Jason Nicholsen | "The Pitbull" | 5'10" (1.78 m) |
190 lbs (86.18 kg) |
808 Fight Factory |
|
Jason Dublin | 0'0" (0 m) |
185 lbs (83.91 kg) |
Dublin's Fight Factory | |
|
Jason Jacques | 0'0" (0 m) |
145 lbs (65.77 kg) |
Fight Factory | |
|
Jeff Rusher | 6'2" (1.88 m) |
205 lbs (92.99 kg) |
Colorado Fight Factory | |
|
Jenny Trujillo | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Nor Cal Fight Factory | |
|
Jeremy Petley | "Ninja" | 5'9" (1.75 m) |
155 lbs (70.31 kg) |
London Fight Factory |
|
Jesse Grun | 6'1" (1.85 m) |
185 lbs (83.91 kg) |
Philadelphia Fight Factory | |
|
Jesse Strader | "Sui Generis" | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Kemo's Fight Factory |
|
Jim Kikuchi | 5'7" (1.7 m) |
154 lbs (69.85 kg) |
808 Fight Factory | |
|
Joe McNally | 0'0" (0 m) |
145 lbs (65.77 kg) |
South Shields Fight Factory | |
|
Joey Eisenbraun | 5'6" (1.68 m) |
125 lbs (56.7 kg) |
Colorado Fight Factory | |
|
John Davis | 0'0" (0 m) |
205 lbs (92.99 kg) |
The Fight Factory | |
|
John Smooth | 0'0" (0 m) |
155 lbs (70.31 kg) |
Fight Factory Manchester | |
