| 2018-01-14 | UFC Fight Night: Stephens vs. Choi | Scottrade Center · St. Louis, Missouri | Jeremy Stephens def. Choi Doo-ho | 11 |
| 2018-01-20 | UFC 220: Miocic vs. Ngannou | TD Garden · Boston, Massachusetts | Stipe Miocic def. Francis Ngannou title | 11 |
| 2018-01-27 | UFC on Fox: Jacaré vs. Brunson 2 | Spectrum Center · Charlotte, North Carolina | Ronaldo Souza def. Derek Brunson | 12 |
| 2018-02-03 | UFC Fight Night: Machida vs. Anders | Arena Guilherme Paraense · Belém | Lyoto Machida def. Eryk Anders | 11 |
| 2018-02-11 | UFC 221: Romero vs. Rockhold | Perth Arena · Perth | Yoel Romero def. Luke Rockhold title | 12 |
| 2018-02-18 | UFC Fight Night: Cowboy vs. Medeiros | Frank Erwin Center · Austin, Texas | Donald Cerrone def. Yancy Medeiros | 12 |
| 2018-02-24 | UFC on Fox: Emmett vs. Stephens | Amway Center · Orlando, Florida | Jeremy Stephens def. Josh Emmett | 12 |
| 2018-03-03 | UFC 222: Cyborg vs. Kunitskaya | T-Mobile Arena · Las Vegas, Nevada | Cris Cyborg def. Yana Kunitskaya title | 12 |
| 2018-03-17 | UFC Fight Night: Werdum vs. Volkov | The O2 Arena · London, England | Alexander Volkov def. Fabrício Werdum | 10 |
| 2018-04-07 | UFC 223: Khabib vs. Iaquinta | Barclays Center · New York City, New York | Khabib Nurmagomedov def. Al Iaquinta title | 9 |
| 2018-04-14 | UFC on Fox: Poirier vs. Gaethje | Gila River Arena · Glendale, Arizona | Dustin Poirier def. Justin Gaethje | 14 |
| 2018-04-21 | UFC Fight Night: Barboza vs. Lee | Boardwalk Hall · Atlantic City, New Jersey | Kevin Lee def. Edson Barboza | 11 |
| 2018-05-12 | UFC 224: Nunes vs. Pennington | Jeunesse Arena · Rio de Janeiro | Amanda Nunes def. Raquel Pennington title | 13 |
| 2018-05-19 | UFC Fight Night: Maia vs. Usman | Movistar Arena · Santiago | Kamaru Usman def. Demian Maia | 13 |
| 2018-05-27 | UFC Fight Night: Thompson vs. Till | Echo Arena · Liverpool, England | Darren Till def. Stephen Thompson | 11 |
| 2018-06-01 | UFC Fight Night: Rivera vs. Moraes | Adirondack Bank Center · Utica, New York | Marlon Moraes def. Jimmie Rivera | 12 |
| 2018-06-09 | UFC 225: Whittaker vs. Romero 2 | United Center · Chicago, Illinois | Robert Whittaker def. Yoel Romero | 13 |
| 2018-06-23 | UFC Fight Night: Cowboy vs. Edwards | Singapore Indoor Stadium · Kallang | Leon Edwards def. Donald Cerrone | 13 |
| 2018-07-06 | The Ultimate Fighter: Undefeated Finale | Palms Casino Resort · Las Vegas, Nevada | Israel Adesanya def. Brad Tavares | 12 |
| 2018-07-07 | UFC 226: Miocic vs. Cormier | T-Mobile Arena · Las Vegas, Nevada | Daniel Cormier def. Stipe Miocic title | 11 |
| 2018-07-14 | UFC Fight Night: dos Santos vs. Ivanov | CenturyLink Arena · Boise, Idaho | Junior dos Santos def. Blagoy Ivanov | 13 |
| 2018-07-22 | UFC Fight Night: Shogun vs. Smith | Barclaycard Arena · Hamburg | Anthony Smith def. Maurício Rua | 13 |
| 2018-07-28 | UFC on Fox: Alvarez vs. Poirier 2 | Scotiabank Saddledome · Calgary, Alberta | Dustin Poirier def. Eddie Alvarez | 13 |
| 2018-08-04 | UFC 227: Dillashaw vs. Garbrandt 2 | Staples Center · Los Angeles, California | T.J. Dillashaw def. Cody Garbrandt title | 12 |
| 2018-08-25 | UFC Fight Night: Gaethje vs. Vick | Pinnacle Bank Arena · Lincoln, Nebraska | Justin Gaethje def. James Vick | 13 |
| 2018-09-08 | UFC 228: Woodley vs. Till | American Airlines Center · Dallas, Texas | Tyron Woodley def. Darren Till title | 13 |
| 2018-09-15 | UFC Fight Night: Hunt vs. Oleinik | Olimpiyskiy Stadium · Moscow | Aleksei Oleinik def. Mark Hunt | 12 |
| 2018-09-22 | UFC Fight Night: Santos vs. Anders | Ginásio do Ibirapuera · São Paulo | Thiago Santos def. Eryk Anders | 14 |
| 2018-10-06 | UFC 229: Khabib vs. McGregor | T-Mobile Arena · Las Vegas, Nevada | Khabib Nurmagomedov def. Conor McGregor title | 12 |
| 2018-10-27 | UFC Fight Night: Volkan vs. Smith | Avenir Centre · Moncton, New Brunswick | Anthony Smith def. Volkan Oezdemir | 13 |
| 2018-11-03 | UFC 230: Cormier vs. Lewis | Madison Square Garden · New York City, New York | Daniel Cormier def. Derrick Lewis title | 12 |
| 2018-11-10 | UFC Fight Night: The Korean Zombie vs. Rodríguez | Pepsi Center · Denver, Colorado | Yair Rodríguez def. Chan Sung Jung | 12 |
| 2018-11-17 | UFC Fight Night: Magny vs. Ponzinibbio | Estadio Mary Terán de Weiss · Buenos Aires | Santiago Ponzinibbio def. Neil Magny | 12 |
| 2018-11-24 | UFC Fight Night: Blaydes vs. Ngannou 2 | Cadillac Arena · Beijing | Francis Ngannou def. Curtis Blaydes | 12 |
| 2018-11-30 | The Ultimate Fighter: Heavy Hitters Finale | Pearl Theatre · Las Vegas, Nevada | Kamaru Usman def. Rafael dos Anjos | 13 |
| 2018-12-02 | UFC Fight Night: dos Santos vs. Tuivasa | Adelaide Entertainment Centre · Adelaide | Junior dos Santos def. Tai Tuivasa | 12 |
| 2018-12-08 | UFC 231: Holloway vs. Ortega | Scotiabank Arena · Toronto, Ontario | Max Holloway def. Brian Ortega title | 13 |
| 2018-12-15 | UFC on Fox: Lee vs. Iaquinta 2 | Fiserv Forum · Milwaukee, Wisconsin | Al Iaquinta def. Kevin Lee | 12 |
| 2018-12-29 | UFC 232: Jones vs. Gustafsson 2 | The Forum · Inglewood, California | Jon Jones def. Alexander Gustafsson title | 13 |