| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 28.5.2010 |  | BC - Bitetti Combat 7 Fundicao Progresso, Rio de Janeiro, Brazil, Brazil | Bitetti Combat |
| 28.5.2010 |  | CFX 9 - Finally Plymouth Memorial Hall, Plymouth, Massachusetts, United States | Cage Fighting Xtreme (Mass.) |
| 28.5.2010 |  | KOTC - Combustion Palace Banquet Hall, Edmonton, Alberta, Canada | King of the Cage Canada |
| 28.5.2010 | | LOF 39 - Legends of Fighting 39 8 Seconds Saloon, Indianapolis, Indiana, United States | Legends of Fighting Championship |
| 28.5.2010 |  | M-1 Selection 2010 - Eastern Europe Round 3 National Circus of Ukraine, Kyiv, Ukraine, Ukraine | M-1 Global |
| 28.5.2010 | | MMA Fight Force - The Final Chapter The Texas Club, Baton Rouge, Louisiana, United States | MMA Fight Force |
| 28.5.2010 |  | MMAC 1 - Challenge Velvet Club, Nowy Sacz, Lesser Poland Voivodeship, Poland | MMA Coloseum |
| 28.5.2010 | | STFC 11 - Night of Champions 3 McAllen Convention Center, McAllen, Texas, United States | South Texas Fighting Championships |
| 28.5.2010 | | Strefa Walk - Krysztofiak vs. Bandel Arena Hall, Poznan, Greater Poland Voivodeship, Poland | Strefa Walk |
| 28.5.2010 | | Tuff-N-Uff - Future Stars of MMA Orleans Hotel and Casino, Las Vegas, Nevada, United States | Tuff-N-Uff |
| 28.5.2010 | | WCC 2 - Memorial Day Combat Agri-Plex Agricultural Hall, Allentown, Pennsylvania, United States | World Cagefighting Championships (Pennsylvania) |