| # | Veranstaltungsdatum | | Veranstaltungsort | Ort | Zuschauer |
| 424 | UFC 219: Cyborg vs. Holm | 30. Dezember 2017 | T-Mobile Arena | Las Vegas, Nevada, USA | 13.561 [6] |
| 423 | UFC auf Fox: Lawler vs. dos Anjos | 16. Dezember 2017 | Bell MTS Place | Winnipeg, Manitoba, Kanada | 8.862 [7] |
| 422 | UFC Fight Night: Swanson vs. Ortega 9. | Dezember 2017 | Save Mart Center | Fresno, Kalifornien, USA | 7.605 [8] |
| 421 | UFC 218: Holloway vs. Aldo 2 | Dezember 2, 2017 | Little Caesars Arena | Detroit, Michigan, USA | 17.587 [9] |
| 420 | The Ultimate Fighter: Ein neues Weltmeister-Finale | 1. Dezember 2017 | Park Theatre | Las Vegas, Nevada, USA | — |
| 419 | UFC Fight Night: Bisping vs. Gastelum | 25. November 2017 | Mercedes-Benz Arena | Shanghai, China | 15.128 [10] |
| 418 | UFC Fight Night: Werdum vs. Tybura | 19. November 2017 | Qudos Bank Arena | Sydney, Neu Südwales, Australien | 10.021 [11] |
| 417 | UFC Fight Night: Poirier vs. Pettis | 11. November 2017 | Ted Constant Convocation Center | Norfolk, Virginia, USA | 8.442 [12] |
| 416 | UFC 217: Bisping vs. St-Pierre 4. | November 2017 | Madison Square Garden | New York City, New York, USA | 18.201 [13] |
| 415 | UFC Fight Night: Machida vs. Brunson | 28. Oktober 2017 | Ginásio do Ibirapuera | São Paulo, Brasilien | 10.265 [14] |
| 414 | UFC Fight Night: Cowboy vs. Bis | 21. Oktober 2017 | Ergo Arena | Gdańsk, Polen | 11.138 [15] |
| 413 | UFC 216: Ferguson vs. Lee 7. | Oktober 2017 | T-Mobile Arena | Las Vegas, Nevada, USA | 10.638 [16] |
| 412 | UFC Fight Night: Shogun vs. Saint Preux 2 | . September 23, 2017 | Saitama Super Arena | Saitama, Saitama, Japan | 8.571 [17] |
| 411 | UFC Fight Night: Rockhold vs. Branch | 16. September 2017 | PPG Paints Arena | Pittsburgh, Pennsylvania, Vereinigte Staaten von Amerika | 7.005 [18] |
| 410 | UFC 215: Nunes vs. Shevchenko 2 9. | September 2017 | Rogers Place | Edmonton, Alberta, Kanada | 16.232 [19] |
| 409 | UFC Fight Night: Volkov vs. Struve 2. | September 2017 | Rotterdam Ahoy | Rotterdam, Niederlande | 10.224 [20] |
| 408 | UFC Fight Night: Pettis vs. Moreno 5. | August 2017 | Arena Ciudad de México | Mexico City, Mexiko | 10.172 [21] |
| 407 | UFC 214: Cormier vs. Jones 2 | . Juli 29, 2017 | Honda Center | Anaheim, Kalifornien, USA | 16.610 [22] |
| 406 | UFC auf Fox: Weidman vs. Gastelum | 22. Juli 2017 | Nassau Veterans Memorial Coliseum | Uniondale, New York, USA | 11.198 [23] |
| 405 | UFC Fight Night: Nelson vs. Ponzinibbio | 16. Juli 2017 | SSE Hydro | Glasgow, Schottland | 10.589 [24] |
| 404 | UFC 213: Romero vs. Whittaker 8. | Juli 2017 | T-Mobile Arena | Las Vegas, Nevada, USA | 12.834 [25] |
| 403 | The Ultimate Fighter: Redemption Finale | 7. Juli 2017 | T-Mobile Arena | Las Vegas, Nevada, Vereinigte Staaten von Amerika | 6.308 [26] |
| 402 | UFC Fight Night: Chiesa vs. Lee | 25. Juni 2017 | Chesapeake Energy Arena | Oklahoma City, Oklahoma, USA | 7.605 [27] |
| 401 | UFC Fight Night: Holm vs. Correia | 17. Juni 2017 | Singapore Indoor | Stadium Kallang, Singapur | 8.414 [28] |
| 400 | UFC Fight Night: Lewis vs. Hunt | 11. Juni 2017 | Spark Arena | Auckland, Neuseeland | 8.649 [29] |
| 399 | UFC 212: Aldo vs. Holloway | 3. Juni 2017 | Jeunesse Arena | Rio de Janeiro, Brasilien | 15.412 [30] |
| 398 | UFC Fight Night: Gustafsson vs. Teixeira | 28. Mai 2017 | Ericsson Globe | Stockholm, Schweden | 12.668 [31] |
| 397 | UFC 211: Miocic vs dos Santos 2 | 13. Mai 2017 | American | Airlines Center Dallas, Texas, USA | 17.834 [32] |
| 396 | UFC Fight Night: Swanson vs. Lobov | 22. April 2017 | Bridgestone Arena | Nashville, Tennessee, USA | 10,744 [33] |
| 395 | UFC auf Fox: Johnson vs. Reis | 15. April 2017 | Sprint Center | Kansas City, Missouri, USA | 12.171 [34] |
| 394 | UFC 210: Cormier vs Johnson 2 | 8. April 2017 | KeyBank Center | Buffalo, New York, USA | 17.110 [35] |
| 393 | UFC Fight Night: Manuwa vs. Anderson | 18. März 2017 | The O 2 Arena | London, England, Großbritannien | 15.761 [36] |
| 392 | UFC Fight Night: Belfort vs. Gastelum | 11. März 2017 | Centro de Formação Olímpica do Nordeste | Fortaleza, Brasilien | 14.069 [37] |
| 391 | UFC 209: Woodley vs. Thompson 2 | 4. März 2017 | T-Mobile Arena | Las Vegas, Nevada, USA | 13.150 [38] |
| 390 | UFC Fight Night: Lewis vs. Browne | 19. Februar 2017 | Scotiabank Centre | Halifax, Nova Scotia, Kanada | 8.123 [39] |
| 389 | UFC 208: Holm vs De Randamie | 11. Februar 2017 | Barclays Center | Brooklyn, New York, Vereinigte Staaten von Amerika | 15.628 [40] |
| 388 | UFC Fight Night: Bermudez gegen den koreanischen Zombie 4. | Februar 2017 | Toyota Center | Houston, Texas, USA | 8.119 [41] |
| 387 | UFC auf Fox: Shevchenko vs. Peña | 28. Januar 2017 | Pepsi Center | Denver, Colorado, USA | 13.233 [42] |
| 386 | UFC Fight Night: Rodríguez vs. Penn | 15. Januar 2017 | Talking Stick Resort Arena | Phoenix, Arizona, USA | 11.589 [43] |