| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 5.4.2008 |  | AFL - Asylum Fight League 1 Skate Zone, Voorhees, New Jersey, United States | Asylum Fight League |
| 5.4.2008 | | AFP - The Arena 5 University of Virginia, Wise, Virginia, United States | Arena Fighting Promotions |
| 5.4.2008 |  | AGAM - Torneio Estimulo Hebrew Association of Brazil Gymnasium, Porto Alegre, Rio Grande do Sul, Brazil | Gaucho Association of Martial Arts |
| 5.4.2008 | | CATC 2 - Carnage at the Creek 2 Shelton, Washington, United States | Carnage at the Creek |
| 5.4.2008 | | CCCF - Saturday Night Fights 2 National Guard Armory, Salem, Oregon, United States | Capital City Cage Fights |
| 5.4.2008 | | CM 3 - Caged Madness 3 West Lafayette, Ohio, United States, United States | Caged Madness |
| 5.4.2008 |  | DFN - Diva Fight Night Laapeenranta, Finland, Finland | Diva Fight Night |
| 5.4.2008 | | FCFF - Rumble at the Roseland 34 Roseland Theater, Portland, Oregon, United States | Full Contact Fighting Federation |
| 5.4.2008 | | FFI - Blood and Sand 4 Mississippi Coast Coliseum, Biloxi, Mississippi, United States | Fight Force International |
| 5.4.2008 |  | Fight Fiesta de Luxe - Unstoppable Luxembourg, Quartier Gare, Hollerich, Luxembourg | Fight Fiesta de Luxe |
| 5.4.2008 | | Fury Fights - Battle in Brookings 4 Brookings, South Dakota, United States, United States | Fury Fights |
| 5.4.2008 |  | GCM - Cage Force 6 Differ Ariake Tokyo, Japan, Japan | Greatest Common Multiple |
| 5.4.2008 |  | GF 2 - Gorilla Fight 2 Multihalle Herzogenried Park, Mannheim, Germany, Germany | Gorilla Fight |
| 5.4.2008 | | JHEFN - Jeremy Horn's Elite Fight Night 1 Salt Lake City, Utah, United States, United States | Jeremy Horn's Elite Fight Night |
| 5.4.2008 | | KC 49 - Caged Combat Casper, Wyoming, United States | Kick Down MMA |
| 5.4.2008 | | KOK 3 - King of Kombat Austin, Texas, United States, United States | King of Kombat |
| 5.4.2008 |  | Legacy - FC 3 Calgary, Alberta, Canada | Legacy Fighting Championships (Canada) |
| 5.4.2008 | | Mainstream MMA 9 - New Era Cedar Rapids, Iowa, United States, United States | Mainstream MMA |
| 5.4.2008 |  | P & G - Pride and Glory England, England | Pride and Glory |
| 5.4.2008 | | SFI - Show Fight Itaituba Itaituba, Para, Brazil, Brazil | Show Fight Itaituba |
| 5.4.2008 | | ShoXC - Elite Challenger Series Table Mountain Casino, Friant, California, United States | EliteXC |
| 5.4.2008 |  | Superior Challenge 1 - The Uprising Fryshuset, Stockholm, Stockholm County, Sweden | Superior Challenge |
| 5.4.2008 | | TIM - Throwdown in Mo-Town Moultrie, Georgia, USA, United States | Throwdown in Mo-Town |
| 5.4.2008 |  | TKB - Fight Night Linz 3 Leondinger Sporthalle, Linz, Austria, Austria | Thaikibo |
| 5.4.2008 | | TVT - Tribus de Vale Tudo Kanecao Gymnasium, Santarem, Para, Brazil | Tribus de Vale Tudo |
| 5.4.2008 | | UCE - Ultimate Combat Experience Club Elevate, Salt Lake City, Utah, United States | Ultimate Combat Experience |
| 5.4.2008 |  | UDR 2 - Uniao Desportiva Recreativa 2 Lisbon, Portugal, Portugal | Uniao Desportiva Recreativa |
| 5.4.2008 | | WCFC - World Cage Fighting Championships Missouri, United States, United States | World Cage Fighting Championships (Missouri) |
| 5.4.2008 | | XCC 6 - Western Threat Reno Events Center, Reno, Nevada, United States | Xtreme Cage Combat |
| 5.4.2008 | | YG - Young Guns Houston, Texas, USA, United States | Young Guns |