Most losses by Knockout (KO)
| NR# | Fighter | losses by Knockout (KO) | age | weight | height | |
|---|---|---|---|---|---|---|
| 1 |
|
Brandon Quigley | 12 | 31 | 260lbs (118kg) | 6'2 (189cm) |
| 2 |
|
Yoshiki Takahashi | 10 | 44 | 199lbs (90kg) | 5'11 (156cm) |
| 3 |
|
Adrian Serrano | 8 | 50 | 190lbs (86kg) | 5'8 (177cm) |
| 4 |
|
Paul "Hands of Stone" Jenkins | 8 | - | 167lbs (76kg) | - |
| 5 |
|
Dan Wheatly | 7 | - | - | - |
| 6 |
|
Samir Bourekba | 7 | - | - | - |
| 7 |
|
Donovan Licos | 7 | - | - | - |
| 8 |
|
Mark Weir | 6 | 46 | 185lbs (84kg) | 6'2 (189cm) |
| 9 |
|
Hikaru Sato | 6 | 33 | 174lbs (79kg) | 5'8 (177cm) |
| 10 |
|
Ron Faircloth | 6 | - | 230lbs (104kg) | 5'1 (155cm) |
| 11 |
|
John Geraghty | 6 | - | - | - |
| 12 |
|
Rex "The Punisher" Payne | 6 | - | 145lbs (66kg) | 5'9 (180cm) |
| 13 |
|
Mike Aldrich | 6 | - | - | - |
| 14 |
|
John Wallace | 6 | - | - | - |
| 15 |
|
Ikuhisa "The Punk" Minowa | 5 | 37 | 180lbs (82kg) | 5'9 (180cm) |
| 16 |
|
Akira Shoji | 5 | 39 | 194lbs (88kg) | 5'8 (177cm) |
| 17 |
|
Jonathan Spears | 5 | - | 260lbs (118kg) | 5'11 (156cm) |
| 18 |
|
Curtis Stout | 5 | 40 | 184lbs (83kg) | 6'1 (186cm) |
| 19 |
|
Joop Kasteel | 5 | - | 264lbs (120kg) | 6'3 (192cm) |
| 20 |
|
Brian "Voodoo" Dunn | 5 | - | 180lbs (82kg) | 5'8 (177cm) |
