Combattants Etats-Unis
| 1901 |  | Phillip Latu | 1-2-0 REC | #2553 |  |
| 1902 |  | Phillip Miller | 2-0-0 UFC | #3970 | |
| 1903 |  | Phillipe Nover | 1-6-0 UFC | #2970 | |
| 1904 |  | Phumi Nkuta | 2-0-0 REC | #2454 | |
| 1905 |  | Preston Parsons | 2-4-0 UFC | #2496 | |
| 1906 |  | Prince McLean | 0-1-0 REC | #6510 | |
| 1907 |  | Punahele Soriano | 7-4-0 UFC | #248 | |
| 1908 |  | Quayshan Randelson | 1-0-0 REC | #1397 | |
| 1909 |  | Quentin Pasley | 1-0-0 REC | #2749 | |
| 1910 |  | Quinn Mulhern | 0-2-0 UFC | #5364 | |
| 1911 |  | Quinn Williams | 2-1-0 REC | #3477 | |
| 1912 |  | Quinton Jackson | 8-5-0 UFC | #301 | |
| 1913 |  | Rachael Ostovich | 1-3-0 UFC | #3146 | |
| 1914 |  | Rafaello Oliveira | 2-6-0 UFC | #3032 | |
| 1915 |  | Raheam Forest | 0-2-0 REC | #3937 | |
| 1916 |  | Raiden Kovacs | 0-2-0 REC | #4424 | |
| 1917 |  | Rainn Guerrero | 0-1-0 REC | #6403 | |
| 1918 |  | Rainy Martinez | 0-1-0 UFC | #6802 | |
| 1919 |  | Rakim Cleveland | 2-5-0 REC | #2966 | |
| 1920 |  | Rakim Talley | 1-0-0 REC | #6035 | |
| 1921 |  | Ramiro Hernandez | 0-2-0 UFC | #3957 | |
| 1922 |  | Ramiz Brahimaj | 5-4-0 UFC | #568 | |
| 1923 |  | Ramon Taveras | 1-2-0 UFC | #2216 | |
| 1924 |  | Ramsey Nijem | 5-5-0 UFC | #1819 | |
| 1925 |  | Randall Wallace | 2-2-0 REC | #3913 | |