Most knockdowns: since 2001
Most knockdowns scored.
1,260 fighters.
| # | Fighter | Total |
|---|---|---|
| 1 | Donald Cerrone | 20 |
| =2 | Anderson Silva | 18 |
| =2 | Jeremy Stephens | 18 |
| =4 | Edson Barboza | 16 |
| =4 | Marlon Vera | 16 |
| 6 | Dustin Poirier | 15 |
| =7 | Chuck Liddell | 14 |
| =7 | Junior Dos Santos | 14 |
| =7 | Khalil Rountree Jr. | 14 |
| =7 | Lyoto Machida | 14 |
| =7 | Mauricio Rua | 14 |
| =7 | Montel Jackson | 14 |
| =7 | Thiago Santos | 14 |
| =14 | Anthony Johnson | 13 |
| =14 | Conor McGregor | 13 |
| =14 | Israel Adesanya | 13 |
| =14 | Melvin Guillard | 13 |
| =14 | Michael Johnson | 13 |
| =14 | Thiago Alves | 13 |
| =20 | Carlos Prates | 12 |
| =20 | Cub Swanson | 12 |
| =20 | Deiveson Figueiredo | 12 |
| =20 | John Lineker | 12 |
| =20 | Josh Emmett | 12 |
| =20 | Max Holloway | 12 |
| =20 | Nate Marquardt | 12 |
| =20 | Robert Whittaker | 12 |
| =28 | Cody Garbrandt | 11 |
| =28 | Derrick Lewis | 11 |
| =28 | Gregory Rodrigues | 11 |
| =28 | Jake Ellenberger | 11 |
| =28 | John Dodson | 11 |
| =28 | Matt Brown | 11 |
| =28 | Santiago Ponzinibbio | 11 |
| =28 | Tim Means | 11 |
| =28 | Vicente Luque | 11 |
| =37 | Alistair Overeem | 10 |
| =37 | Andrei Arlovski | 10 |
| =37 | Cain Velasquez | 10 |
| =37 | Drew Dober | 10 |
| =37 | Jalin Turner | 10 |
| =37 | Kamaru Usman | 10 |
| =37 | Kelvin Gastelum | 10 |
| =37 | Li Jingliang | 10 |
| =37 | Matthew Semelsberger | 10 |
| =37 | Petr Yan | 10 |
| =37 | Rich Franklin | 10 |
| =37 | Robbie Lawler | 10 |
| =37 | Roman Kopylov | 10 |
| =37 | Stephen Thompson | 10 |