Poids Mi-Lourds Hommes
 | Jake Rosholt | 1-2-0 UFC | #4239 |  |
 | Jakob Nedoh | 3-2-0 REC | #3539 |  |
 | Jamahal Hill | 6-4-0, 1NC UFC | #149 | |
 | Jamelle Jones | 1-3-0 REC | #3986 | |
 | James Hammortree | 0-1-0 UFC | #6022 | |
 | James Lee | 0-1-0 UFC | #5072 | |
 | James McSweeney | 1-2-0 UFC | #4170 |  |
 | James Webb | 3-1-0 REC | #2085 | |
 | Jamie Abdallah | 0-2-0 REC | #6221 |  |
 | Jamie MacDonald | 0-1-0 REC | #6893 |  |
 | Jan Blachowicz | 12-8-2 UFC | #68 |  |
 | Jan Gottvald | 1-0-0 REC | #7025 |  |
 | Jared Hamman | 2-5-0 UFC | #3183 | |
 | Jason Brilz | 3-4-0 UFC | #2920 | |
 | Jason DeLucia | 2-2-0 UFC | #3095 | |
 | Jason Lambert | 4-4-0 UFC | #2546 | |
 | Jason Radcliffe | 0-1-0 REC | #6268 | |
 | Jay Radick | 0-1-0 REC | #6723 | |
 | Jayden Taulker | 0-1-0 REC | #5651 | |
 | Jeff Newton | 0-1-0 UFC | #6353 | |