Most knockdowns: since 2001
Most knockdowns scored.
1,260 fighters.
| # | Fighter | Total |
|---|---|---|
| =780 | Joseph Holmes | 1 |
| =780 | Joseph Morales | 1 |
| =780 | Josh Barnett | 1 |
| =780 | Josh Haynes | 1 |
| =780 | Josh Neer | 1 |
| =780 | Josh Quinlan | 1 |
| =780 | Journey Newson | 1 |
| =780 | Jovan Leka | 1 |
| =780 | Julia Avila | 1 |
| =780 | Julia Polastri | 1 |
| =780 | Julian Erosa | 1 |
| =780 | Julian Marquez | 1 |
| =780 | Julius Walker | 1 |
| =780 | JunYong Park | 1 |
| =780 | Junior Albini | 1 |
| =780 | Junior Assuncao | 1 |
| =780 | Justin Buchholz | 1 |
| =780 | Justin Edwards | 1 |
| =780 | Justin Eilers | 1 |
| =780 | Justin Lawrence | 1 |
| =780 | Justin McCully | 1 |
| =780 | Justin Salas | 1 |
| =780 | Justin Scoggins | 1 |
| =780 | Justine Kish | 1 |
| =780 | Jutaro Nakao | 1 |
| =780 | KJ Noons | 1 |
| =780 | Kaan Ofli | 1 |
| =780 | Kai Kamaka III | 1 |
| =780 | Karine Silva | 1 |
| =780 | Karl Roberson | 1 |
| =780 | Karl Williams | 1 |
| =780 | Katlyn Cerminara | 1 |
| =780 | Kazuki Tokudome | 1 |
| =780 | Keiichiro Nakamura | 1 |
| =780 | Ken Shamrock | 1 |
| =780 | Kenny Florian | 1 |
| =780 | Kevin Aguilar | 1 |
| =780 | Kevin Casey | 1 |
| =780 | Kevin Croom | 1 |
| =780 | Kevin Lee | 1 |
| =780 | Kevin Natividad | 1 |
| =780 | Khama Worthy | 1 |
| =780 | Kleydson Rodrigues | 1 |
| =780 | Krzysztof Soszynski | 1 |
| =780 | Kuniyoshi Hironaka | 1 |
| =780 | Kurt Holobaugh | 1 |
| =780 | Kyle Bochniak | 1 |
| =780 | Kyle Kingsbury | 1 |
| =780 | Kyle Nelson | 1 |
| =780 | Lance Benoist | 1 |