UFC 259: Błachowicz vs. Adesanya was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on March 6, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. The event was headlined by a UFC Light Heavyweight Championship bout between then champion Jan Błachowicz (also former KSW Light Heavyweight Champion) and former UFC Middleweight Champion Israel Adesanya.

UFC Fight Night 169: Benavidez vs. Figueiredo was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 29, 2020 at Chartway Arena in Norfolk, Virginia, United States. A UFC Flyweight Championship bout for the vacant title between former title challenger Joseph Benavidez and Deiveson Figueiredo served as the event headliner. Multi-divisional champion Henry Cejudo announced on December 19, 2019 that he would be relinquishing the flyweight title and concentrate on competing solely in the bantamweight division.

UFC 243: Whittaker vs. Adesanya was a mixed martial arts pay-per-view event produced by the Ultimate Fighting Championship that took place on October 6, 2019, at Marvel Stadium in Melbourne, Victoria, Australia. A UFC Middleweight Championship unification bout between the champion Robert Whittaker (also The Ultimate Fighter: The Smashes welterweight winner) and undefeated interim champion Israel Adesanya served as the event's headliner.

UFC Fight Night 152: Dos Anjos vs. Lee was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on May 18, 2019 at Blue Cross Arena in Rochester, New York. A welterweight bout between former UFC Lightweight Champion Rafael dos Anjos and former interim lightweight title challenger Kevin Lee served as the event headliner.

UFC 232: Jones vs. Gustafsson 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on December 29, 2018 at The Forum in Inglewood, California. A UFC Light Heavyweight Championship bout between former champion Jon Jones and former title challenger Alexander Gustafsson headlined this event.

UFC 225: Whittaker vs. Romero 2 is an MMA event produced by the Ultimate Fighting Championship held on June 9, 2018, at the United Center in Chicago, Illinois.

Invicta FC 21: Anderson vs. Tweet was a mixed martial arts event that will be headlined by a bout between top featherweight contenders Megan Anderson and Charmaine Tweet competing for the interim featherweight championship. The event was scheduled to feature the MMA debut of undefeated professional boxer Heather Hardy against Brieta Carpenter, however Carpenter pulled out due to injury and the fight was removed from the card. A fight between Leah Letson and former UFC fighter Elizabeth Phillips was added instead. DeAnna Bennett was scheduled to fight Jodie Esquibel but pulled out of the fight and was replaced by Kali Robbins. Esquibel was then set to fight Robbins at a catchweight of 120 lbs but Robbins missed weight and the fight was canceled.

Invicta FC 18: Grasso vs. Esquibel was a mixed martial arts event headlined by a strawweight fight between undefeated Alexa Grasso and Jodie Esquibel. The winner of the main event is expected to receive the next strawweight title shot against champion Angela Hill. The original co-main event was to be Irene Aldana facing undefeated Brazilian fighter Taila Santos to determine who challenges Tonya Evinger next for the bantamweight championship, however VISA issues forced Santos off the card and the fight was removed. Lynn Alvarez was scheduled to fight undefeated Indian fighter Manjit Kolekar but VISA issues forced Kolekar off the card and she was replaced by Mizuki Inoue. Agnieszka Niedzwiedz was scheduled to fight Claudia Rey but Rey was also unable to make the event due to VISA issues and was replaced by Christine Stanley. Aldana, Rey, and Santos are now being scheduled for the next event.

Invicta FC 17: Evinger vs. Schneider was a mixed martial arts event that was headlined by an Invicta FC Bantamweight Championship bout as champion Tonya Evinger defends against Colleen Schneider. The co-main event will feature Livia Renata Souza defending her Invicta FC Strawweight Championship against Angela Hill. Aline Serrio was scheduled to fight Mizuki Inoue but Mizuki was replaced by Kaline Medeiros due to an injury in training. An atomweight bout between newcomers Tessa Simpson and Julia Jones was scheduled but removed from the card on the week of the event.

Invicta FC 15: Cyborg vs. Ibragimova was a mixed martial arts event that was headlined by an Invicta FC Featherweight Championship bout with champion Cristiane "Cyborg" Justino defending against Russian newcomer Daria Ibragimova. The event was originally scheduled to feature Cyborg dropping down in weight but it was later decided that she would remain at 145 and defend her championship.

Katja Kankaanpaa "Killer Bunny" (70%) 19-8 (30%) DeAnna Bennett "The Argentine Assassin" Tonya Evinger "Triple Threat" (73%) 19-7 (27%) Pannie Kianzad Rachael Ostovich (23%) 5-17 (77%) Andrea Lee "KGB" Roxanne Modafferi "The Happy Warrior" (56%) 10-8 (44%) Mariana Morais Jinh Yu (59%) 10-7 (41%) Liz McCarthy "Lightning" Aspen Ladd (63%) 10-6 (38%) Amanda Bobby Cooper Cindy Dandois (36%) 5-9 (64%) Megan Anderson Jamie Moyle (58%) 7-5 (42%) Sharon Jacobsen JJ Aldrich (78%) 7-2 (22%) Daniela Kortmann Rachel Wiley (43%) 3-4 (57%) Felicia Spencer