| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 31.5.2013 |  | BAMMA USA - Badbeat 9 Commerce Casino, Commerce, California, United States | BAMMA USA |
| 31.5.2013 |  | EMMA 8 - Extreme MMA 8 Voltaire Paladins Polo Coliseum, Guayaquil, Guayas, Ecuador | Extreme MMA (Ecuador) |
| 31.5.2013 | | Epic Fighting - Epic 18 Four Points by Sheraton San Diego, San Diego, California, United States | Epic Fighting MMA |
| 31.5.2013 |  | FNFN - Friday Night Fight Night 5 Chaweng Stadium, Koh Samui, Surat Thani, Thailand | Friday Night Fight Night |
| 31.5.2013 | | LFC 20 - Legacy Fighting Championship 20 American Bank Center, Corpus Christi, Texas, United States | Legacy Fighting Championship (Texas) |
| 31.5.2013 |  | One FC 9 - Rise to Power Mall of Asia Arena, Pasay, National Capital Region, Philippines | ONE Championship |
| 31.5.2013 | | RDMMA - Battle in the South 6: Summer Smash Coastline Conference and Event Center, Wilmington, North Carolina, United States | Rich Dambakly MMA |
| 31.5.2013 | | RMMA - Renaissance MMA 27 New Orleans, Louisiana, United States, United States | Renaissance MMA |
| 31.5.2013 |  | SFL - Contenders 9 SFL Training Center, Nasik, Maharashtra, India | Super Fight League |
| 31.5.2013 |  | White Rex - Tana Delle Tigri 1 Rome, Italy, Italy | White Rex |