4,297 fighters indexed
| Fighter | IQ | Division | Record | Stance | Ht | Reach | SLpM | Acc | TD | Fin% |
|---|---|---|---|---|---|---|---|---|---|---|
| JR Coughran | 59 | Featherweight | 4-1-0 | Orthodox | 5' 6" | — | 12.29 | 57% | — | — |
| Juan Adams | 53 | Heavyweight | 5-3-0 | Orthodox | 6' 5" | 80" | 7.09 | 55% | 0.9 | 40% |
| Juan Adrian Martinetti | 75 | Bantamweight | 17-1-0 | Orthodox | 5' 8" | 71" | 11.00 | 65% | 3.0 | — |
| Juan Alcain | 47 | — | 1-2-0 | — | -- | — | — | — | — | — |
| Juan Andres Luna | 62 | — | 12-1-0 | Orthodox | 5' 7" | 72" | 3.27 | 31% | — | — |
| Juan Cabrera | 61 | Middleweight | 9-1-0 | — | -- | — | — | — | — | — |
| Juan Diaz | 75 | Bantamweight | 15-1-1 | Orthodox | 5' 8" | 69" | 5.82 | 39% | 3.0 | 7% |
| Juan Espino | 63 | — | 11-2-0 | Orthodox | 6' 3" | 80" | 2.38 | 70% | 8.9 | 18% |
| Juan Manuel Puig | 52 | — | 11-4-0 | Orthodox | 5' 9" | — | 4.91 | 23% | — | — |
| Juan Miranda | 54 | — | 7-5-0 | — | -- | — | — | — | — | — |
| Juan Mott | 49 | — | 3-4-0 | Switch | 6' 0" | — | — | — | — | — |
| Juan Puerta | 64 | — | 23-6-0 | Southpaw | 5' 9" | 71" | 1.27 | 39% | 1.0 | — |
| Juancamilo Ronderos | 54 | — | 4-2-0 | Southpaw | 5' 3" | 64" | 2.18 | 30% | 2.7 | — |
| Jules Bruchez | 42 | Light Heavyweight | 1-2-0 | Southpaw | 6' 0" | — | 0.69 | 50% | — | — |
| Julia Avila | 52 | — | 9-4-0 | Orthodox | 5' 7" | 68" | 2.81 | 42% | 0.6 | 22% |
| Julia Budd | 63 | Featherweight | 10-2-0 | — | 5' 7" | 67" | 2.42 | 74% | 3.6 | 10% |
| Julia Polastri | 59 | Women's Strawweight | 14-5-0 | Orthodox | 5' 2" | 64" | 6.40 | 54% | 0.7 | 14% |
| Julian Erosa | 58 | Featherweight | 31-14-0 | Southpaw | 6' 1" | 74" | 6.18 | 48% | 1.7 | 23% |
| Julian Marquez | 54 | — | 9-6-0 | Orthodox | 6' 2" | 72" | 5.06 | 45% | — | 44% |
| Juliana Lima | 56 | — | 9-5-0 | Orthodox | 5' 5" | 65" | 1.94 | 44% | 1.7 | — |
| Juliana Miller | 46 | Flyweight | 5-4-0 | Orthodox | 5' 7" | 66" | 2.65 | 39% | 2.2 | 20% |
| Julianna Pena | 57 | — | 13-6-0 | Orthodox | 5' 6" | 69" | 3.10 | 44% | 1.7 | 31% |
| Julie Kedzie | 51 | — | 16-13-0 | Orthodox | 5' 5" | — | 2.90 | 36% | 1.1 | — |
| Julien Leblanc | 59 | Middleweight | 10-3-0 | Southpaw | -- | 74" | 1.69 | 66% | — | — |
| Julieta Martinez | 63 | — | 8-0-0 | Orthodox | 5' 1" | 62" | 2.53 | 44% | 5.0 | — |
| Julija Stoliarenko | 45 | — | 11-10-2 | Orthodox | 5' 7" | 66" | 2.74 | 38% | 0.8 | 18% |
| Julio Arce | 63 | Featherweight | 19-6-0 | Southpaw | 5' 7" | 70" | 4.36 | 36% | 0.5 | 26% |
| Julio Cesar Neves Jr. | 85 | — | 33-1-0 | — | 5' 8" | — | 1.98 | 35% | 1.1 | — |
| Julio Paulino | 63 | — | 23-5-0 | Orthodox | 6' 0" | — | 0.97 | 27% | — | — |
| Julius Anglickas | 64 | Light Heavyweight | 5-1-0 | Orthodox | 6' 3" | — | 4.62 | 78% | 4.5 | 20% |
| Julius Walker | 59 | Heavyweight | 7-2-0 | Orthodox | 6' 4" | 78" | 3.73 | 53% | 4.1 | — |
| Jumabieke Tuerxun | 63 | — | 19-4-1 | Orthodox | 5' 7" | — | 1.60 | 28% | 0.5 | — |
| JungHyun Lee | 55 | — | 8-1-0 | Orthodox | 5' 5" | 65" | 4.27 | 39% | — | — |
| Junie Browning | 57 | Lightweight | 5-6-0 | Orthodox | 5' 9" | — | 3.76 | 48% | 3.5 | 20% |
| Junior Albini | 56 | Heavyweight | 14-6-0 | Orthodox | 6' 3" | 74" | 3.98 | 51% | 1.5 | 7% |
| Junior Assuncao | 62 | Featherweight | 16-6-0 | Orthodox | 5' 9" | 72" | 3.31 | 62% | 2.4 | 6% |
| Junior Barata | 49 | Welterweight | 9-3-1 | Orthodox | 5' 10" | — | 4.03 | 33% | — | — |
| Junior Dos Santos | 61 | — | 21-9-0 | Orthodox | 6' 4" | 77" | 4.49 | 47% | 0.3 | 48% |
| Junior Tafa | 54 | Heavyweight | 6-5-0 | Orthodox | 6' 3" | 75" | 3.41 | 51% | — | 33% |
| Junya Kudo | 50 | — | 10-7-2 | Orthodox | -- | — | 1.85 | 71% | — | — |
| Junye Gao | 56 | — | 19-12-0 | — | -- | — | — | — | — | — |
| JunYong Park | 61 | — | 19-7-0 | Orthodox | 5' 10" | 73" | 4.64 | 51% | 1.7 | 16% |
| JunYoung Hong | 51 | — | 13-8-1 | Orthodox | 5' 9" | 69" | 2.10 | 39% | — | — |
| Jussier Formiga | 60 | — | 23-8-0 | Orthodox | 5' 5" | 67" | 1.42 | 39% | 1.8 | 13% |
| Justice Torres | 51 | — | 12-4-0 | Southpaw | 5' 7" | 66" | 0.79 | 22% | 5.9 | — |
| Justin Bruckmann | 49 | Welterweight | 7-3-0 | Orthodox | 5' 9" | — | 0.59 | 66% | — | — |
| Justin Buchholz | 46 | Lightweight | 15-10-0 | Orthodox | 6' 0" | 73" | 2.35 | 26% | — | 7% |
| Justin Burlinson | 60 | Welterweight | 6-1-0 | Switch | 6' 1" | 74" | 1.24 | 40% | — | — |
| Justin Davis | 50 | — | 13-16-0 | — | 5' 11" | — | — | — | — | — |
| Justin DeMoney | 57 | — | 15-7-1 | — | -- | — | — | — | — | — |