| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| James | Reese | JP | 5' 9" | 155 lbs. | -- | 11 | 10 | 0 | ||
| Zachary | Reese | Savage | 6' 4" | 185 lbs. | 77.0" | Switch | 9 | 2 | 0 | |
| Stephen | Regman | 5' 11" | 185 lbs. | 76.0" | Orthodox | 9 | 4 | 0 | ||
| Chad | Reiner | The Grinder | 5' 11" | 170 lbs. | -- | Orthodox | 33 | 18 | 0 | |
| Jason | Reinhardt | 5' 6" | 135 lbs. | -- | Orthodox | 20 | 3 | 0 | ||
| Wilson | Reis | 5' 4" | 125 lbs. | 65.0" | Southpaw | 23 | 10 | 0 | ||
| Ben | Reiter | The Hunter | 6' 3" | 185 lbs. | -- | 17 | 2 | 1 | ||
| Goran | Reljic | 6' 3" | 205 lbs. | 81.0" | Southpaw | 15 | 8 | 0 | ||
| Leigh | Remedios | Bulldog | 5' 7" | 155 lbs. | -- | Orthodox | 18 | 10 | 2 | |
| Ren | Yawei | 5' 9" | 155 lbs. | 69.0" | Orthodox | 9 | 4 | 0 | ||
| Paulo | Renato Junior | 6' 0" | 205 lbs. | 73.0" | Orthodox | 12 | 3 | 0 | ||
| Chance | Rencountre | Black Eagle | 6' 2" | 170 lbs. | 75.0" | Southpaw | 14 | 4 | 0 | |
| Montse | Rendon | Monster | 5' 8" | 135 lbs. | 68.0" | Orthodox | 7 | 1 | 0 | |
| Marion | Reneau | The Belizean Bruiser | 5' 6" | 135 lbs. | 68.0" | Orthodox | 9 | 8 | 1 | |
| Solomon | Renfro | The Black Dragon | 5' 9" | 170 lbs. | 72.0" | Switch | 8 | 2 | 0 | |
| John | Renken | The Saint | 6' 0" | 190 lbs. | -- | Orthodox | 18 | 28 | 4 | |
| Herman | Renting | 6' 0" | 215 lbs. | -- | Switch | 1 | 3 | 0 | ||
| Marco Polo | Reyes | 5' 11" | 155 lbs. | 71.0" | Orthodox | 8 | 7 | 0 | ||
| Dominick | Reyes | The Devastator | 6' 4" | 205 lbs. | 77.0" | Southpaw | 15 | 5 | 0 | |
| Alex | Reyes | The Executioner | 5' 11" | 155 lbs. | 73.0" | Orthodox | 13 | 5 | 0 | |
| Kyle | Reyes | Boom | 5' 8" | 145 lbs. | -- | 15 | 7 | 0 | ||
| Javier | Reyes | Blair | 5' 7" | 145 lbs. | 73.0" | 22 | 5 | 0 | ||
| Victor | Reyna | Kelevra | 5' 11" | 170 lbs. | 74.0" | Southpaw | 11 | 5 | 0 | |
| Gaston | Reyno | Tonga | 6' 0" | 145 lbs. | -- | 6 | 2 | 0 |