| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 27.5.2017 |  | AFCA / Fight Club 777 - Grand Prix 777 Akshy Village, Almaty, Kazakhstan | Asian Fighting Championship Akhmat |
| 27.5.2017 |  | Batalha MMA 6 - Sales vs. Simoes Jose Liberatti Gymnasium, Osasco, Sao Paulo, Brazil | Batalha MMA Championship |
| 27.5.2017 | | BJ Fight - Bom Jesus Fight 4 Ordem e Progresso Football Club Gymnasium, Bom Jesus do Norte, Espirito Santo, Brazil | Bom Jesus Fight |
| 27.5.2017 |  | BTC 1 - Genesis Metro Toronto Convention Centre, Toronto, Ontario, Canada | BTC Fight Promotions |
| 27.5.2017 |  | CKF - Chinese Kung Fu Championships 129 Beijing, China, China | Chinese Kung Fu Championships |
| 27.5.2017 |  | CUFF 12 - Caribbean Ultimate Fist Fighting 12 National Cycling Centre, Couva, Trinidad and Tobago | Caribbean Ultimate Fist Fighting |
| 27.5.2017 |  | EMMA - Eternal MMA 25 WA Italian Club, Perth, Western Australia, Australia | Eternal MMA |
| 27.5.2017 |  | FNG - Fight Night Gmunden Gmunden, Austria | Unknown Organization |
| 27.5.2017 |  | Freon - A-One Show Salaspils Sports Hall, Salaspils, Latvia | Freon |
| 27.5.2017 | | Gladius Combat 1 - Sombra vs. Tigre Imperial Shopping Center, Imperatriz, Maranhao, Brazil | Gladius Combat |
| 27.5.2017 |  | Glory of Heroes - Portugal & Strikers League Quinta dos Lombos Pavilion, Carcavelos, Lisbon, Portugal | Glory of Heroes |
| 27.5.2017 |  | HFL - Honor Fight League Curacao Sports Center (SDK), Willemstad, Curacao | Honor Fight League |
| 27.5.2017 | | Inhumas Fight Championship - IFC MMA Combat 7 Arco Iris Gymnasium, Itumbiara, Goias, Brazil | Inhumas Fight Championship |
| 27.5.2017 |  | Integrated Sports Media - Brave Warriors In Action Merida Yucatan, Mexico | Boxing |
| 27.5.2017 | | JFL - Jasaji Fighting League Zircus Random Club, Tlalnepantla de Baz, State of Mexico, Mexico | Jasaji Fighting League |
| 27.5.2017 |  | KOTC - Headstrong Chinook Winds Casino, Lincoln City, Oregon, United States | King of the Cage |
| 27.5.2017 |  | KSW 39 - Colosseum PGE Narodowy Stadium, Warsaw, Poland, Poland | KSV - Konfrontacja Sztuk Walki |
| 27.5.2017 |  | M4tC 24 - Throwdown Rainton Meadows Arena, Houghton-le-Spring, Tyne and Wear, United Kingdom | Made 4 The Cage |
| 27.5.2017 |  | MMA Pro Ukraine 10 - Battle in the Fortress 2 Kamianets-Podilskyi Castle, Kamianets-Podilskyi, Khmelnytskyi, Ukraine | MMA Pro Ukraine |
| 27.5.2017 | | Mr. Cage Championship - Mr. Cage 27 Alexandre Montoril (GM3) State School Gymnasium, Coari, Amazonas, Brazil | Mr. Cage Championship |
| 27.5.2017 | | NCE 14 - New Corpore Extreme 14 New Corpore Fight Academy, Rio de Janeiro, Rio de Janeiro, Brazil | New Corpore Extreme |
| 27.5.2017 |  | Nordic Fighting Championship - NFC Fight Night 2 Gatorade Center, Turku, Finland | Nordic Fighting Championship |
| 27.5.2017 |  | NOW - Night of Warriors 11 Home Credit Arena, Liberec, Czech Republic | Night of Warriors (Czech Republic) |
| 27.5.2017 | | On Top - Night of Champions On-X Sports Centre, Linwood, Scotland | On Top Promotions |
| 27.5.2017 |  | One Pride MMA Fight 10 - Part 3 Britama Arena Mahaka Square, Kelapa Gading, Jakarta Utara, Indonesia | One Pride MMA |
| 27.5.2017 | | Oplot Fight Club - Donetsk People's Republic Day 2017 International MMA Tournament Cosmos Circus, Donetsk, Donetsk, Ukraine | Oplot Fight Club |
| 27.5.2017 | | PCMMA - Patao Combat MMA 2 Manhuacu Educational Center (CEM), Manhuacu, Minas Gerais, Brazil | Patao Combat MMA |
| 27.5.2017 | | PMMAC - Premier MMA Championship 3 Radisson Hotel Cincinnati Riverfront, Covington, Kentucky, United States | Premier MMA Championship |
| 27.5.2017 |  | PNFC - Power Nation Fighting Championship 8 Concordia Auditorium, Pordenone, Pordenone, Italy | Power Nation Fighting Championship |
| 27.5.2017 | | Raged UK MMA - Raged UK MMA 6 MECA Swindon at Regent Circus, Swindon, Wiltshire, England | Raged UK MMA |
| 27.5.2017 | | RAR - Rumble at Raxx 25 Raxx Bar, Port Allen, Louisiana, United States | Raxx Ultimate Fighting |
| 27.5.2017 | | Republica MMA - Republica MMA 3 Versatil Academy, Almirante Tamandare, Parana, Brazil | Republica MMA |
| 27.5.2017 |  | San Jose Boxing - Invictus MMA 1 San Jose de la Rinconada Boxing Club, La Rinconada, Seville, Spain | Invictus MMA |
| 27.5.2017 | | ShoFight - Summer Smash Clarion Hotel and Event Center, Branson, Missouri, United States | ShoFight |
| 27.5.2017 | | Showtime Championship Boxing - Kell Brook vs. Errol Spence Jr. Bramall Lane, Sheffield, England, England | Boxing |
| 27.5.2017 |  | Siberian League - Siberian Challenge Berdsk, Russia | Siberian League |
| 27.5.2017 | | SLMMA 11 - Smirnov vs. Karapetyan Izvestia Hall, Moscow, Russia | Student League MMA |
| 27.5.2017 |  | Sprawl & Brawl - Sprawl & Brawl FC 5 Ostra Park, Dresden, Saxony, Germany | Sprawl & Brawl MMA |
| 27.5.2017 | | Valor Fights - UMMAF National Championship Tournament: Day 2 Elizabethton High School, Elizabethton, Tennessee, United States | Valor Fights (Tennessee) |
| 27.5.2017 | | Venator FC - Venator Fight Night 1 Bellaria-Igea Marina Sports Hall, Bellaria-Igea Marina, Rimini, Italy | Venator Fighting Championship |
| 27.5.2017 | | WBK - Grand Prix China | WBK |
| 27.5.2017 |  | WFL MMA - World Fighting League MMA Topsport Center, Almere, Flevoland, Netherlands | World Fighting League (Netherlands) |
| 27.5.2017 | | X-Fest 10 - X-Fest MMA 10 Otto Birlem Municipal Gymnasium, Capao da Canoa, Rio Grande do Sul, Brazil | X-Fest MMA |