Combattants Etats-Unis
| 2051 |  | Rob Kimmons | 3-4-0 UFC | #3057 |  |
| 2052 |  | Rob Yundt | 0-2-0 UFC | #5021 | |
| 2053 |  | Robbie Lawler | 15-10-0 UFC | #149 | |
| 2054 |  | Robbie Peralta | 4-3-0, 1NC UFC | #2922 | |
| 2055 |  | Robbie Ring | 0-1-0 REC | #6454 | |
| 2056 |  | Robert Drysdale | #7327 | | |
| 2057 |  | Robert Emerson | 3-3-0, 1NC UFC | #2934 | |
| 2058 |  | Robert Hale | 0-1-0 REC | #7147 | |
| 2059 |  | Robert Lucarelli | 0-1-0 UFC | #5588 | |
| 2060 |  | Robert Varricchio | 0-1-0 REC | #6067 | |
| 2061 |  | Robert Watley | 2-3-0 REC | #1977 | |
| 2062 |  | Roberto Hernandez | 4-2-0 REC | #3354 | |
| 2063 |  | Roberto Sanchez | 1-2-0 UFC | #4419 | |
| 2064 |  | Rodney Kealohi | 0-1-0 REC | #6524 | |
| 2065 |  | Rodney Wallace | 0-3-0 UFC | #4910 | |
| 2066 |  | Rodrigo Brauna | 2-0-0 REC | #866 | |
| 2067 |  | Rogelio Luna | 1-1-0 REC | #6691 | |
| 2068 |  | Roger Bowling | 0-2-0, 1NC UFC | #5480 | |
| 2069 |  | Roger Huerta | 6-2-0 UFC | #1937 | |
| 2070 |  | Roger Narvaez | 1-2-0 UFC | #3811 | |
| 2071 |  | Roger Severson | 0-2-0 REC | #4652 | |
| 2072 |  | Roger Zapata | 0-1-0 UFC | #6605 | |
| 2073 |  | Roland Dunlap | 1-0-0 REC | #7345 | |
| 2074 |  | Roland Payne | 0-1-0 UFC | #4761 | |
| 2075 |  | Roland Pruden | 1-1-0 REC | #3155 | |