Combattants Etats-Unis
| 1926 |  | Randy Costa | 2-4-0 UFC | #2977 |  |
| 1927 |  | Randy Couture | 16-8-0 UFC | #57 | |
| 1928 |  | Randy Rivera-Santiago | 0-1-0 REC | #5108 | |
| 1929 |  | Randy Shores | 0-1-0 REC | #5702 | |
| 1930 |  | Raquel Canuto | 0-1-0 REC | #5127 | |
| 1931 |  | Raquel Pennington | 13-6-0 UFC | #52 | |
| 1932 |  | Ras Hylton | 0-1-0 REC | #6284 | |
| 1933 |  | Rashad Coulter | 1-3-0 UFC | #3684 | |
| 1934 |  | Rashad Evans | 14-8-1 UFC | #232 | |
| 1935 |  | Raufeon Stots | 4-2-0 REC | #2607 | |
| 1936 |  | Raul Navarrette | 1-1-0 REC | #2698 | |
| 1937 |  | Ray Borg | 7-5-0 UFC | #1228 | |
| 1938 |  | Ray Cooper III | 12-6-1 REC | #684 | |
| 1939 |  | Ray Rodriguez | 0-2-0 UFC | #4277 | |
| 1940 |  | Ray Wizard | 0-1-0 UFC | #6372 | |
| 1941 |  | Razak Al-Hassan | 0-2-0 UFC | #4871 | |
| 1942 |  | Reed Bleymeyer | 0-1-0 REC | #5654 | |
| 1943 |  | Reese Andy | 0-2-0 UFC | #4827 | |
| 1944 |  | Renato Verissimo | 1-2-0 UFC | #4063 | |
| 1945 |  | Reuben Duran | 1-3-0 UFC | #3738 | |
| 1946 |  | Rex Harris | 1-3-0 REC | #4777 | |
| 1947 |  | Rex Holman | 0-1-0 UFC | #6592 | |
| 1948 |  | Reyes Cortez | 0-2-0 REC | #4357 | |
| 1949 |  | Ricardo Almeida | 6-5-0 UFC | #1900 | |
| 1950 |  | Ricardo Funch | 0-4-0 UFC | #3711 | |