| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 18.5.2008 |  | BSCF - Siberian Challenge 2 Bratsk, Russia, Russia | Bratsk Combat Sport Festival |
| 18.5.2008 |  | CFC 3 - Cage Fighters Championship 3 Amadeus Rochester, Kent, England, England | Cage Fighters Championship |
| 18.5.2008 |  | GC 78 - No Limits Eagle Mountain Casino, Porterville, California, United States | Gladiator Challenge |
| 18.5.2008 | | IUK - Impact UK 3 Federation Brewery, Gateshead, Tyne & Wear, England | Impact UK |
| 18.5.2008 |  | Sengoku - Second Battle Ariake Coliseum, Tokyo, Japan, Japan | Sengoku |
| 18.5.2008 | | Shooto - Grapplingman 7 Hiroshima Industrial Hall, Hiroshima, Japan, Japan | Shooto |
| 18.5.2008 |  | TB - Trofej Beograda Belgrade, Serbia, Serbia | Trofej Beograda |
| 18.5.2008 |  | Torneio Estimulo - Second Round Club Dom Pedro, Curitiba, Parana, Brazil | Torneio Estimulo |
| 18.5.2008 |  | UFR 13 - Ultimate Fighting Revolution 13 Northern Ireland, Ireland | Ultimate Fighting Revolution |
| 18.5.2008 | | Zst - Zst 17 Differ Ariake, Tokyo, Japan, Japan | Zst |