| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 27.5.2006 |  | AF - Arena Fight 1 Izidorio Junior Park, Redencao, Para, Brazil | Arena Fight (Para) |
| 27.5.2006 |  | AXFC 11 - Impact Edmonds Community College, Lynwood, Washington, United States | AX Fighting Championships |
| 27.5.2006 |  | CWFC - Cage Warriors 23: Strike Force 6 Skydome Arena, Coventry, West Midlands, England | Cage Warriors |
| 27.5.2006 |  | Deep - clubDeep Hiroshima: Monster Challenger Saekiku Sports Center Subarena, Hiroshima, Japan, Japan | Deep |
| 27.5.2006 |  | FFF - Frederikssund Brawl 2 Fredrikssund, Denmark, Denmark | Frederikssund Free Fight |
| 27.5.2006 | | IF 1 - Iron Fight Companhia Siderurgica Nacional Employees Club Gymnasium, Volta Redonda, Rio de Janeiro, Brazil | Iron Fight |
| 27.5.2006 | | PFC 1 - Peninsula Fight Challenge 1 Alaska, United States | Peninsula Fight Challenge |
| 27.5.2006 | | Trench Warz 3 - Commotion Trench Tech Gym, Gualo Rai, Saipan, Northern Mariana Islands | Trench Warz |
| 27.5.2006 | | UCE - Round 21 - Episode 3 The StationSandy, Utah, United States | Ultimate Combat Experience |
| 27.5.2006 |  | UCW 4 - Ultimate Cage Wars 4 Winnipeg, Manitoba, Canada, Canada | Ultimate Cage Wars |
| 27.5.2006 | | UFC 60 - Hughes vs. Gracie Staples Center, Los Angeles, California, United States | UFC - Ultimate Fighting Championship |
| 27.5.2006 |  | VFX - Vale Tudo Fighters Mexico Tlahuac, Mexico, Mexico | Vale Tudo Fighters Extreme |
| 27.5.2006 | | Warrior MMA 26 - Somerset Fight Night Center for Rural DevelopmentSomerset, Kentucky, United States | Warrior Fighting Championship (Kentucky) |
| 27.5.2006 | | XKK - Moorhead Moorhead, Minnesota, United States, United States | Xtreme Kage Kombat |
| 27.5.2006 | | Zst - Grappling Tournament Featherweight 2 Differ Ariake, Tokyo, Japan, Japan | Zst |