| Fighter | Nickname | Height | Weight | Association | |
 |
Ian Escuza | 5'8" (1.73 m) |
145 lbs (65.77 kg) |
Pitbull Martial Arts Center / UFC Performance Institute | |
|
Igor Matos | "Bolt" | 5'5" (1.65 m) |
125 lbs (56.7 kg) |
Tulio Pitbull / Full House |
|
Igor Martins | 0'0" (0 m) |
135 lbs (61.23 kg) |
Pitbull Fight Team | |
|
Igor Sergio Gordo Siqueira | "The Golden Boy" | 5'6" (1.68 m) |
125 lbs (56.7 kg) |
Pitbull Brothers |
|
Ilara Joanne | "Arya Stark" | 5'3" (1.6 m) |
125 lbs (56.7 kg) |
Pitbull Brothers |
|
Ionut Atodiresei | "Pitbull" | 5'4" (1.63 m) |
143 lbs (64.86 kg) |
Pitbull Sport Club |
|
Iranilton Souza | "Pitbull" | 0'0" (0 m) |
135 lbs (61.23 kg) |
Pitbull Fight Team |
|
Isac Almeida | 0'0" (0 m) |
170 lbs (77.11 kg) |
Pitbull Brothers | |
|
Isaias Martins | 0'0" (0 m) |
145 lbs (65.77 kg) |
Pitbull Team / RSP Team | |
|
Ismael Da Silva | "Do Taua" | 5'3" (1.6 m) |
126 lbs (57.15 kg) |
Academia Pitbull MMA |
|
Italo Trindade | 5'8" (1.73 m) |
145 lbs (65.77 kg) |
Pitbull Brothers | |
|
Italo Alves Pereira | "Italo Pitbull" | 5'9" (1.75 m) |
146 lbs (66.22 kg) |
Lula Pitbull |
|
Ivan Musardo | "The Terrible" | 5'7" (1.7 m) |
155 lbs (70.31 kg) |
Pitbull Brothers |
|
Ivan Iberico | "Pitbull" | 5'7" (1.7 m) |
155 lbs (70.31 kg) |
Pitbull Martial Arts Center |
|
Ivan Leckes | 0'0" (0 m) |
170 lbs (77.11 kg) |
Gracie Barra Pitbull Nitra | |
|
Ivan Stupalo | 5'10" (1.78 m) |
170 lbs (77.11 kg) |
Pitbull Split | |
|
Ivan Cuayla | "La Roca" | 5'7" (1.7 m) |
125 lbs (56.7 kg) |
Pitbull MMA Academy |
|
Ivan Santos | "O Terrivel" | 5'3" (1.6 m) |
125 lbs (56.7 kg) |
Pitbull Brothers |
|
J.T. Harold | 0'0" (0 m) |
175 lbs (79.38 kg) |
Pitbull Fight Team / Spero's Martial Arts Academy | |
|
Jacob Quintana | "Jacko" | 5'11" (1.8 m) |
185 lbs (83.91 kg) |
Pitbull Team |
