| Fighter | Nickname | Height | Weight | Association | |
 |
Radu Spinghel | 7'4" (2.24 m) |
272 lbs (123.38 kg) |
Borodin's Gym | |
|
Rafael Pantoja | "Fantasma" | 5'10" (1.78 m) |
397 lbs (180.08 kg) |
Gladiadores do Novo Milenio |
|
Rafal Dabrowski | "Uszol" | 6'6" (1.98 m) |
285 lbs (129.27 kg) |
Gameness Team Poznan |
|
Randall Ross | 6'4" (1.93 m) |
321 lbs (145.6 kg) |
||
|
Rasheed Oruche | 0'0" (0 m) |
273 lbs (123.83 kg) |
||
|
Rassul Khatayev | 0'0" (0 m) |
280 lbs (127.01 kg) |
||
|
Raul Rios | 6'3" (1.91 m) |
295 lbs (133.81 kg) |
Top Notch MMA | |
|
Ray Glover | 0'0" (0 m) |
269 lbs (122.02 kg) |
||
|
Raymond Lopez | "Relentless" | 0'0" (0 m) |
286 lbs (129.73 kg) |
Rhino House MMA |
|
Reynaldo Rodriguez | 5'11" (1.8 m) |
315 lbs (142.88 kg) |
||
|
Reza Nader louyi | 6'2" (1.88 m) |
315 lbs (142.88 kg) |
Power Fighter Tame | |
|
Ricardo Morais | "The Mutant" | 6'8" (2.03 m) |
270 lbs (122.47 kg) |
Team Nogueira |
|
Richard White | "Big Man" | 6'4" (1.93 m) |
346 lbs (156.94 kg) |
Disorderly Conduct |
|
Richard Carmack | 6'1" (1.85 m) |
290 lbs (131.54 kg) |
||
|
Richard Wyatt | 6'4" (1.93 m) |
306 lbs (138.8 kg) |
||
|
Ricky Alvarez | 0'0" (0 m) |
336 lbs (152.41 kg) |
||
|
Ricky Alcaraz | 0'0" (0 m) |
365 lbs (165.56 kg) |
||
|
Ricky Martin | 0'0" (0 m) |
295 lbs (133.81 kg) |
||
|
Ricky Clark | 6'3" (1.91 m) |
350 lbs (158.76 kg) |
||
|
Rob Mitchell | 6'6" (1.98 m) |
323 lbs (146.51 kg) |
||
