UFC on Fox 31: Lee vs. Iaquinta 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on December 15, 2018 at Fiserv Forum in Milwaukee, Wisconsin, United States. A lightweight rematch between former interim title challenger Kevin Lee and Al Iaquinta served as the event headliner. The pairing met previously in February 2014 at UFC 169 with Iaquinta winning the fight via unanimous decision.

UFC 248: Adesanya vs. Romero was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on March 7, 2020 at the T-Mobile Arena in Paradise, Nevada. A UFC Middleweight Championship bout between the current champion Israel Adesanya and former interim title challenger (as well as 2000 Olympic silver medalist and former world champion in freestyle wrestling) Yoel Romero headlined the event.

UFC on ESPN 22: Whittaker vs. Gastelum was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 17, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States.

UFC 250: Nunes vs. Spencer was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 6, 2020 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A UFC Women's Featherweight Championship bout between the current champion Amanda Nunes (also the current UFC Women's Bantamweight Champion) and former Invicta FC Featherweight Champion Felicia Spencer was expected to serve as the co-headliner.

Derrick Lewis vs. Chris Daukaus (Heavyweight) Stephen Thompson vs. Belal Muhammad (Welterweight) Amanda Lemos vs. Angela Hill (Strawweight) Raphael Assunção vs. Ricky Simón (Bantamweight) Carlos Diego Ferreira vs. Mateusz Gamrot ( Lightweight) Cub Swanson vs. Darren Elkins (Featherweight)

A UFC Middleweight Championship rematch between current champion Alex Pereira (also former Glory Middleweight and Light Heavyweight Champion) and former champion Israel Adesanya is expected to headline the event. The pairing previously met at UFC 281 in which Pereira captured the title by fifth round knockout. The two also previously met twice in kickboxing matchups. The first in April 2016 which Pereira won by unanimous decision. Their second meeting took place at Glory of Heroes 7 in March 2017 which Pereira won by third round knockout.

Fury Pro Grappling 7 was a grappling event that took place on May 27, 2023 inside 2300 Arena in Philadelphia, Pennsylvania. While there were four current UFC fighters on the card — including Gerald Meerschaert vs. Joe Pyfer in the main event — all eyes were on a strange, off-the-wall matchup between CFFC President, Brad Boulton, and MMA media member, Ben "The Bane" Davis.

UFC 292: Sterling vs. O'Malley was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 19, 2023, at the TD Garden in Boston, Massachusetts, United States. A UFC Bantamweight Championship bout between current champion Aljamain Sterling and Sean O'Malley headlined the event and a UFC Women's Strawweight Championship bout between current two-time champion Zhang Weili and Amanda Lemos served as the co-headliner. The lightweight and bantamweight finals of The Ultimate Fighter: Team McGregor vs. Team Chandler took place at the event.

UFC on ESPN 35: Font vs. Aldo was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on December 4, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A bantamweight bout between Rob Font and former WEC and two-time UFC Featherweight Champion José Aldo served as the event headliner.

UFC on ESPN 41: Vera vs. Cruz was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 13, 2022, at Pechanga Arena in San Diego, California, United States. A bantamweight bout between Marlon Vera and former two-time UFC Bantamweight Champion (also former WEC Bantamweight Champion) Dominick Cruz headlined the event.