| Fighter | Nickname | Height | Weight | Association | |
 |
Ivan Kolomnikov | 0'0" (0 m) |
115 lbs (52.16 kg) |
Sparta | |
|
Ivans Kozecenkovs | 0'0" (0 m) |
145 lbs (65.77 kg) |
Sparta Gym | |
|
Jairo Rojas Oviedo | 5'10" (1.78 m) |
170 lbs (77.11 kg) |
Sparta MMA | |
|
Jaislaine Silva | "Jais" | 5'2" (1.57 m) |
115 lbs (52.16 kg) |
Sparta Fight |
|
Jakub Ihlar | 0'0" (0 m) |
155 lbs (70.31 kg) |
Fight School Sparta Nitra | |
|
Janis Odins | 0'0" (0 m) |
185 lbs (83.91 kg) |
Sparta Gym | |
|
Janis Klavins | 0'0" (0 m) |
185 lbs (83.91 kg) |
Sparta Gym | |
|
Javier Pereira Leiva | "El Ejecutor" | 5'9" (1.75 m) |
155 lbs (70.31 kg) |
Sparta MMA Spain |
|
Jean Sevalho | 0'0" (0 m) |
145 lbs (65.77 kg) |
CT Sparta Nenem Team | |
|
Jeane Ferreira | 5'6" (1.68 m) |
146 lbs (66.22 kg) |
Sparta Nenem | |
|
Jeferson Lozano | 0'0" (0 m) |
145 lbs (65.77 kg) |
Team Sparta Cubas | |
|
Jess Offermans | 0'0" (0 m) |
125 lbs (56.7 kg) |
Sparta MMA | |
|
Jesus Pinzon | 0'0" (0 m) |
125 lbs (56.7 kg) |
Sparta MMA | |
|
Jesus Cobarrubia | 0'0" (0 m) |
135 lbs (61.23 kg) |
Sparta Cubas | |
|
Jhonatan Santos Vieria | 0'0" (0 m) |
135 lbs (61.23 kg) |
Sparta Fight Team | |
|
Jhonny Coronel | 0'0" (0 m) |
125 lbs (56.7 kg) |
Sparta | |
|
Joao Diego | "Curio" | 5'7" (1.7 m) |
125 lbs (56.7 kg) |
Sparta MMA Marituba |
|
Joao Felipe | "Trunks" | 0'0" (0 m) |
115 lbs (52.16 kg) |
Sparta Nenem Team |
|
Jonathas Santos | "Pesadelo" | 0'0" (0 m) |
135 lbs (61.23 kg) |
Fight Club / Sparta Thai |
|
Jose de Batista Neto | 5'9" (1.75 m) |
185 lbs (83.91 kg) |
Sparta Fight Club | |
