Most knockdowns: since 2010
Most knockdowns scored.
1,155 fighters.
| # | Fighter | Total |
|---|---|---|
| =709 | Joe Riggs | 1 |
| =709 | Joel Alvarez | 1 |
| =709 | Joey Gomez | 1 |
| =709 | John Albert | 1 |
| =709 | John Howard | 1 |
| =709 | John Yannis | 1 |
| =709 | Jonathan Micallef | 1 |
| =709 | Jonavin Webb | 1 |
| =709 | JooSang Yoo | 1 |
| =709 | Jordan Leavitt | 1 |
| =709 | Jordan Vucenic | 1 |
| =709 | Joselyne Edwards | 1 |
| =709 | Joseph Holmes | 1 |
| =709 | Joseph Morales | 1 |
| =709 | Josh Barnett | 1 |
| =709 | Josh Quinlan | 1 |
| =709 | Josh Thomson | 1 |
| =709 | Journey Newson | 1 |
| =709 | Jovan Leka | 1 |
| =709 | Julia Avila | 1 |
| =709 | Julia Polastri | 1 |
| =709 | Julian Erosa | 1 |
| =709 | Julian Marquez | 1 |
| =709 | Julius Walker | 1 |
| =709 | JunYong Park | 1 |
| =709 | Junior Albini | 1 |
| =709 | Justin Edwards | 1 |
| =709 | Justin Lawrence | 1 |
| =709 | Justin Salas | 1 |
| =709 | Justin Scoggins | 1 |
| =709 | Justine Kish | 1 |
| =709 | KJ Noons | 1 |
| =709 | Kaan Ofli | 1 |
| =709 | Kai Kamaka III | 1 |
| =709 | Karine Silva | 1 |
| =709 | Karl Roberson | 1 |
| =709 | Karl Williams | 1 |
| =709 | Katlyn Cerminara | 1 |
| =709 | Kazuki Tokudome | 1 |
| =709 | Keiichiro Nakamura | 1 |
| =709 | Kendall Grove | 1 |
| =709 | Kevin Aguilar | 1 |
| =709 | Kevin Casey | 1 |
| =709 | Kevin Croom | 1 |
| =709 | Kevin Lee | 1 |
| =709 | Kevin Natividad | 1 |
| =709 | Khama Worthy | 1 |
| =709 | Kleydson Rodrigues | 1 |
| =709 | Kurt Holobaugh | 1 |
| =709 | Kurt Pellegrino | 1 |