| Fighter | Nickname | Height | Weight | Association | |
 |
Reginaldo Albrecht | 0'0" (0 m) |
155 lbs (70.31 kg) |
Fight Club Training Center | |
|
Renato Carneiro | "Money Moicano" | 5'11" (1.8 m) |
156 lbs (70.76 kg) |
First Fight Center / American Top Team |
|
Reza Babaei | 5'11" (1.8 m) |
170 lbs (77.11 kg) |
Fight Center | |
|
Ricardo Serra | 0'0" (0 m) |
170 lbs (77.11 kg) |
Impacto Fight Center | |
|
Richard Zehentleitner | 0'0" (0 m) |
265 lbs (120.2 kg) |
Athletics Fight Center | |
|
Roberto Oliveira | "Russao" | 0'0" (0 m) |
170 lbs (77.11 kg) |
First Fight Center |
|
Roberto Sanchez | 0'0" (0 m) |
135 lbs (61.23 kg) |
Valhalla Fight Center | |
|
Roger Vieira | 0'0" (0 m) |
170 lbs (77.11 kg) |
First Fight Center | |
|
Rommel Murillo | "El Torito" | 5'6" (1.68 m) |
155 lbs (70.31 kg) |
Katana Fight Center |
|
Romulo Silva | 0'0" (0 m) |
155 lbs (70.31 kg) |
Fight Training Center | |
|
Roosevelt Raphael | 0'0" (0 m) |
155 lbs (70.31 kg) |
First Fight Center | |
|
Roy Umana Esteban | "Puchy" | 5'6" (1.68 m) |
125 lbs (56.7 kg) |
Fight Club Training Center |
|
Ruben Hermosa | "Raven" | 0'0" (0 m) |
0 lbs (0 kg) |
Fight Center Gym / Checkmat Paraguay |
|
Rustam Sattarhanov | 0'0" (0 m) |
161 lbs (73.03 kg) |
United MMA Fight Center | |
|
Rusty Transue | 5'11" (1.8 m) |
205 lbs (92.99 kg) |
Striker Fight Center | |
|
Ryan Thomas | "Red Man" | 5'6" (1.68 m) |
155 lbs (70.31 kg) |
Southside Fight Fitness Center |
|
Salmy Silva | 5'3" (1.6 m) |
135 lbs (61.23 kg) |
Dymitry Fight Center | |
|
Santiago Laviera | 0'0" (0 m) |
145 lbs (65.77 kg) |
Sevilla Fight Center | |
|
Saray Orozco | "Killer Queen" | 5'5" (1.65 m) |
125 lbs (56.7 kg) |
Samurai Fight Center |
|
Scott Brenton | 0'0" (0 m) |
0 lbs (0 kg) |
Triton Fight Center | |
