Most knockdowns: since 2001
Most knockdowns scored.
1,260 fighters.
| # | Fighter | Total |
|---|---|---|
| =780 | Ike Villanueva | 1 |
| =780 | Irina Alekseeva | 1 |
| =780 | Islam Dulatov | 1 |
| =780 | Ismael Bonfim | 1 |
| =780 | Ismail Naurdiev | 1 |
| =780 | Istela Nunes | 1 |
| =780 | Ivan Salaverry | 1 |
| =780 | Jacob Malkoun | 1 |
| =780 | Jacobe Smith | 1 |
| =780 | Jake Hadley | 1 |
| =780 | Jake O'Brien | 1 |
| =780 | James Head | 1 |
| =780 | Jamie Pickett | 1 |
| =780 | Jared Gooden | 1 |
| =780 | Jared Hamman | 1 |
| =780 | Jared Rollins | 1 |
| =780 | Jarjis Danho | 1 |
| =780 | Jasmine Jasudavicius | 1 |
| =780 | Jason Saggo | 1 |
| =780 | Jason Witt | 1 |
| =780 | Javid Basharat | 1 |
| =780 | Javier Reyes | 1 |
| =780 | Jeff Monson | 1 |
| =780 | Jeka Saragih | 1 |
| =780 | Jeremy Kimball | 1 |
| =780 | Jeremy Larsen | 1 |
| =780 | Jesse Forbes | 1 |
| =780 | Jesse Ronson | 1 |
| =780 | Jesus Aguilar | 1 |
| =780 | Jhonata Diniz | 1 |
| =780 | Ji Yeon Kim | 1 |
| =780 | Jim Alers | 1 |
| =780 | Jim Wallhead | 1 |
| =780 | Joanderson Brito | 1 |
| =780 | Joanna Jedrzejczyk | 1 |
| =780 | Joe Doerksen | 1 |
| =780 | Joe Riggs | 1 |
| =780 | Joe Stevenson | 1 |
| =780 | Joel Alvarez | 1 |
| =780 | Joey Gomez | 1 |
| =780 | John Albert | 1 |
| =780 | John Marsh | 1 |
| =780 | John Yannis | 1 |
| =780 | Jonathan Micallef | 1 |
| =780 | Jonavin Webb | 1 |
| =780 | JooSang Yoo | 1 |
| =780 | Jordan Leavitt | 1 |
| =780 | Jordan Vucenic | 1 |
| =780 | Jorge Santiago | 1 |
| =780 | Joselyne Edwards | 1 |