Combattants Etats-Unis
| 2101 |  | Rob Kimmons | 3-4-0 UFC | #3196 |  |
| 2102 |  | Rob Yundt | 0-2-0 UFC | #5268 | |
| 2103 |  | Robbie Lawler | 15-10-0 UFC | #169 | |
| 2104 |  | Robbie Peralta | 4-3-0, 1NC UFC | #3020 | |
| 2105 |  | Robbie Ring | 0-2-0 REC | #4150 | |
| 2106 |  | Robert Drysdale | #7484 | | |
| 2107 |  | Robert Emerson | 3-3-0, 1NC UFC | #3053 | |
| 2108 |  | Robert Hale | 0-1-0 REC | #7088 | |
| 2109 |  | Robert Lucarelli | 0-1-0 UFC | #5656 | |
| 2110 |  | Robert Varricchio | 0-1-0 REC | #6000 | |
| 2111 |  | Robert Watley | 2-4-0 REC | #2064 | |
| 2112 |  | Roberto Hernandez | 4-2-0 REC | #3598 | |
| 2113 |  | Roberto Sanchez | 1-2-0 UFC | #4478 | |
| 2114 |  | Rodney Kealohi | 0-1-0 REC | #6883 | |
| 2115 |  | Rodney Wallace | 0-3-0 UFC | #5222 | |
| 2116 |  | Rodrigo Brauna | 2-0-0 REC | #1522 | |
| 2117 |  | Rogelio Luna | 1-1-0 REC | #7077 | |
| 2118 |  | Roger Bowling | 0-2-0, 1NC UFC | #5812 | |
| 2119 |  | Roger Huerta | 6-2-0 UFC | #2005 | |
| 2120 |  | Roger Narvaez | 1-2-0 UFC | #4076 | |
| 2121 |  | Roger Severson | 0-2-0 REC | #5244 | |
| 2122 |  | Roger Zapata | 0-1-0 UFC | #7011 | |
| 2123 |  | Roland Dunlap | 1-1-0 REC | #4302 | |
| 2124 |  | Roland Payne | 0-1-0 UFC | #5089 | |
| 2125 |  | Roland Pruden | 1-1-0 REC | #3510 | |