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.

Ketlen Vieira vs. Miesha Tate (Bantamweight) Michael Chiesa vs. Sean Brady (Welterweight) Rani Yahya vs. Kang Kyung-ho (Bantamweight) Joanne Calderwood vs. Taila Santos (Flyweight) Davey Grant vs. Adrian Yanez (Bantamweight)

Mackenzie Dern vs. Marina Rodriguez (Strawweight) Randy Brown vs. Jared Gooden (Welterweight) Tim Elliott vs. Matheus Nicolau (Flyweight) Sabina Mazo vs. Mariya Agapova (Flyweight) Chris Gutierrez vs. Felipe Colares (Bantamweight)

Aspen Ladd vs. Norma Dumont (Featherweight) Andrei Arlovski vs. Carlos Felipe (Heavyweight) Jim Miller vs. Erick Gonzalez (Lightweight) Manon Fiorot vs. Mayra Bueno Silva (Flyweight) Nate Landwehr vs. Ludovit Klein (Featherweight)

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.

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.

After a stirring 2021 campaign in which he won and defended the UFC lightweight title by finishing Michael Chandler and Dustin Poirier, Charles Oliveira begins his second year as champion on May 7 as he defends his crown against former interim titlist Justin Gaethje in the main event of UFC 274. Living up to his nickname "The Highlight" every time he steps into the Octagon, Gaethje will attempt to follow up his Fight of the Year win over Michael Chandler by taking Oliveira's title in a bout that is expected to set the bar high as 2022's best. Plus, UFC strawweight champion Rose Namajunas gets a change to avenge a bitter defeat when she faces top contender Carla Esparza in a long-awaited rematch of the top 115-pound fighters in the the world.

UFC Fight Night 223: Dern vs. Hill was a mixed martial arts event produced by the Ultimate Fighting Championship that took take place on May 20, 2023, at the UFC Apex facility in Enterprise, Nevada.

UFC Fight Night: Grasso vs. Shevchenko 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 16, 2023, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. A UFC Women's Flyweight Championship rematch between current champion Alexa Grasso and former champion Valentina Shevchenko headlined the event. The pair previously met at UFC 285 in March 2023 in which Grasso captured the title via a fourth round submission upset.

UFC 295: Procházka vs. Pereira was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on November 11, 2023, at the Madison Square Garden in New York City. A UFC Heavyweight Championship bout between current champion Jon Jones and former two-time champion Stipe Miocic was expected to headline the event. However on October 25, it was announced that the bout was scrapped after Jones sustained a pectoral muscle injury that will require surgery. As a result, the UFC Light Heavyweight Championship bout for the vacant title between former champion Jiří Procházka and former UFC Middleweight Champion Alex Pereira served as the main event.