Julianna Peña

UFC 269: Oliveira vs. Poirier was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on December 11, 2021, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. A UFC Lightweight Championship bout between current champion Charles Oliveira and former interim champion Dustin Poirier served as the event headliner.

UFC 316: Dvalishvili vs. O'Malley 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 7, 2025, at the Prudential Center, in Newark, New Jersey, United States. A UFC Bantamweight Championship rematch between current champion Merab Dvalishvili and former champion Sean O'Malley headlined this event. A UFC Women's Bantamweight Championship bout between current two-time champion Julianna Peña and the 2012 and 2016 Olympic gold medalist in judo Kayla Harrison co-headlined this event.

UFC 257: Poirier vs. McGregor 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on January 24, 2021 at the Etihad Arena on Yas Island, Abu Dhabi, United Arab Emirates. A lightweight rematch between former UFC Featherweight and Lightweight Champion Conor McGregor and former interim champion Dustin Poirier headlined this event. They met previously in a featherweight bout at UFC 178 on September 27, 2014, where McGregor won by first-round TKO.

UFC 307: Pereira vs. Rountree Jr. was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 5th 2024, at the Delta Center in Salt Lake City, Utah, United States. A UFC Light Heavyweight Championship bout between current champion (also former UFC Middleweight Champion and former Glory Middleweight and Light Heavyweight Champion) Alex Pereira and Khalil Rountree Jr. headlined the event.

UFC 200: Tate vs. Nunes was a mixed martial arts event produced by the Ultimate Fighting Championship held on July 9, 2016, at the T-Mobile Arena on the Las Vegas Strip in Paradise, Nevada. This event suffered a major hit only three days before it happened, as it was announced that Jones was pulled out by USADA due to a potential Anti-Doping Policy violation stemming from an out-of-competition sample collection on June 16. Cormier declared he would still fight if an opponent brought to him "made sense". It was announced that former UFC Middleweight Champion Anderson Silva would replace Jones on less than two days' notice and face Cormier in a three-round non-title light heavyweight bout. Due to those major changes, the already scheduled UFC Women's Bantamweight Championship bout between then champion Miesha Tate and top contender Amanda Nunes was revealed as the new main event.

UFC 277: Peña vs. Nunes 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 30, 2022, at American Airlines Center in Dallas, Texas, United States. A UFC Women's Bantamweight Championship rematch between current champion (also The Ultimate Fighter: Team Rousey vs. Team Tate bantamweight winner) Julianna Peña and former champion (also current UFC Women's Featherweight Champion) Amanda Nunes headlined the event.

UFC on Fox 23: Shevchenko vs. Peña was a mixed martial arts event promoted by the Ultimate Fighting Championship held on January 28, 2017 at Pepsi Center in Denver, Colorado. A potential UFC Women's Bantamweight Championship title eliminator between multiple-time muay thai world champion Valentina Shevchenko and The Ultimate Fighter: Team Rousey vs. Team Tate bantamweight winner Julianna Peña served as the event headliner.

UFC 192: Cormier vs. Gustafsson was a mixed martial arts event held on October 3, 2015, at the Toyota Center in Houston, Texas. The event was headlined by a UFC Light Heavyweight Championship bout between current champion Daniel Cormier and top contender Alexander Gustafsson.

UFC on ESPN 16: Holm vs. Aldana was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 4, 2020 at the du Forum on Yas Island, Abu Dhabi, United Arab Emirates. A women's bantamweight bout between former UFC Women's Bantamweight Champion Holly Holm and Irene Aldana served as the event headliner.

The next generation of UFC stars are produced in an intense elimination tournament that separates the contenders from the pretenders.