| Description | Fighter |
| Won MMA debut against Rampage Jackson. The two would later fight in UFC. | |
| Stomped on Frank Mir's head in UFC debut | |
| Judo expert with drug and injury problems. | |
| Knocked out by a nasty headkick by Rashad Evans | |
| Missing right pectoral | |
| Middleweight with explosive ko power, suffers from Crohn's Disease. | |
| Has not fought in over two years, starred in movies instead | |
| Former UFC Heavyweight Champ, hails from Belarus | |
| Uses a shoulder choke which he names after himself | |
| Lightweight, Recently retired from MMA after cut from UFC | |
| Signed with Strikeforce after UFC contract expired. Lost 1st Strikeforce fight against Jake Shields | |
| Lost 4 out of last 5 UFC fights before tragicly dying during marathon. | |
| After upseting Bobalu Sobral, this fighter lost five straight fights | |
| Knocked out Houston Alexander in 8 seconds | |
| Knocked out Matt Serra with a spinning backfist | |
| Canadian fighter nicknamed 'The Crow' | |
| First Ultimate Fighter winner to be cut from UFC | |
| Former welterweight champion, had two memorable fights against Matt Hughes. | |
| Tito Ortiz said he was his bitch on a t-shirt | |
| First fighter to ever beat Fedor. | |