Combattants Etats-Unis
| 1001 |  | J.P. Saint Louis | 1-0-0 REC | #2758 |  |
| 1002 |  | Jack Congdon | 0-1-0 REC | #5196 | |
| 1003 |  | Jack Duffy | 0-1-0 REC | #5524 | |
| 1004 |  | Jack May | 0-2-0 UFC | #3833 | |
| 1005 |  | Jack McLaughlin | 0-1-0 UFC | #6215 | |
| 1006 |  | Jack Nilson | 1-1-0 UFC | #5184 | |
| 1007 | | Jack Sheehan | #7876 | | |
| 1008 |  | Jack Shields | 4-3-0, 1NC UFC | #1590 | |
| 1009 |  | Jackie Cataline | 4-3-0 REC | #2396 | |
| 1010 | | Jackie Lee | 0-1-0 UFC | #6770 | |
| 1011 |  | Jackson McVey | 1-2-0 UFC | #477 | |
| 1012 |  | Jackson Ross | #7631 | | |
| 1013 |  | Jacob Bohn | 0-1-0 REC | #6905 | |
| 1014 | | Jacob Hill | 0-1-0 REC | #6772 | |
| 1015 |  | Jacob Horton | 0-1-0 REC | #7317 | |
| 1016 |  | Jacob Kilburn | 0-2-0 UFC | #3869 | |
| 1017 |  | Jacob Lagoa | #7956 | | |
| 1018 |  | Jacob Romero | 0-1-0 REC | #6709 | |
| 1019 |  | Jacob Rosales | 1-3-0 REC | #2425 | |
| 1020 |  | Jacob Silva | 0-2-0 REC | #6057 | |
| 1021 |  | Jacob Thrall | 0-1-0 REC | #5948 | |
| 1022 |  | Jacob Volkmann | 6-4-0 UFC | #2225 | |
| 1023 |  | Jacob Wiggins | 0-1-0 REC | #5117 | |
| 1024 |  | Jacob Yancey | #7977 | | |
| 1025 |  | Jacobe Smith | 3-0-0 UFC | #645 | |