Poids Mi-Lourds Hommes
 | Junior Tafa | 2-5-0 UFC | #1142 |  |
 | Justin Jones | 0-2-0 UFC | #4838 |  |
 | Justin Ledet | 3-4-0 UFC | #3016 | |
 | Justin Sumter | 0-3-0 REC | #3924 | |
 | Kacper Sochacki | 1-0-0 REC | #1071 |  |
 | Kalib Starnes | 2-3-0 UFC | #3398 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5464 |  |
 | Kamil Saidov | 1-0-0 REC | #1866 |  |
 | Karl Albrektsson | 0-4-0 REC | #3346 |  |
 | Karl Moore | 3-2-0 REC | #3341 |  |
 | Karl Reed | 0-2-0 REC | #6047 | |
 | Karlos Vemola | 2-4-0 UFC | #436 |  |
 | Kassoum Kone | 1-0-0 REC | #1750 |  |
 | Kazuo Takahashi | 1-0-0 UFC | #5090 |  |
 | Keith Berish | 0-1-0, 1NC UFC | #4574 | |
 | Keith Hackney | 2-2-0 UFC | #2875 | |
 | Keith Mielke | 0-1-0 UFC | #6176 | |
 | Kenneth Bergh | #7325 |  | |
 | Kevin Christian | 0-1-0 UFC | #2547 |  |
 | Kevin Jackson | 2-2-0 UFC | #3142 | |