Combattants Etats-Unis
| 976 |  | Isaiah Flores | 0-1-0 REC | #7102 |  |
| 977 |  | Isaiah Hokit | 2-0-0 REC | #4137 | |
| 978 |  | Isaiah Joans | 0-1-0 REC | #6810 | |
| 979 |  | Isaiah Mahto | #7569 | | |
| 980 |  | Isaiah Pinson | 3-3-0 REC | #1842 | |
| 981 |  | Isaiah Skidmore | 0-1-0 REC | #5833 | |
| 982 |  | Isaiah Watkins | #7833 | | |
| 983 |  | Isiah Torres | 1-0-0 REC | #6378 | |
| 984 |  | Israel Aquino | 0-1-0 REC | #6153 | |
| 985 |  | Israel Delgado | 1-1-0 REC | #5532 | |
| 986 |  | Issouf Doumbia | 0-1-0 REC | #5700 | |
| 987 |  | Ivan Salaverry | 3-4-0 UFC | #2799 | |
| 988 |  | Ivan Tena | 0-1-0 REC | #7230 | |
| 989 |  | J.C. Cottrell | 0-2-0 UFC | #5135 | |
| 990 |  | J.P. Saint Louis | 1-0-0 REC | #2480 | |
| 991 |  | Jack Congdon | 0-1-0 REC | #5154 | |
| 992 |  | Jack Duffy | 0-1-0 REC | #5527 | |
| 993 |  | Jack May | 0-2-0 UFC | #3695 | |
| 994 | | Jack McLaughlin | 0-1-0 UFC | #6122 | |
| 995 |  | Jack Nilson | 1-1-0 UFC | #5026 | |
| 996 | | Jack Sheehan | #7840 | | |
| 997 |  | Jack Shields | 4-3-0, 1NC UFC | #1538 | |
| 998 |  | Jackie Cataline | 4-3-0 REC | #2334 | |
| 999 | | Jackie Lee | 0-1-0 UFC | #6686 | |
| 1000 |  | Jackson McVey | 1-2-0 UFC | #249 | |