UFC on ABC 2: Vettori vs. Holland was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 10, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States.

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UFC 327: Procházka vs. Ulberg was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 11, 2026 at the Kaseya Center in Miami, Florida, United States. A UFC Light Heavyweight Championship bout for the vacant title between former champion Jiří Procházka (also the inaugural Rizin Light Heavyweight Champion) and Carlos Ulberg headlined the event.

UFC Fight Night 284: Gamrot vs. Salkilld was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 8, 2026, at the Meta Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States. A lightweight bout between former KSW Featherweight and Lightweight Champion Mateusz Gamrot and Quillan Salkilld headlined the event.

UFC on ESPN 38: Tsarukyan vs. Gamrot was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 25, 2022, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A lightweight bout between Arman Tsarukyan and former KSW Featherweight and Lightweight Champion Mateusz Gamrot headlined the event.

UFC Fight Night 228: Fiziev vs. Gamrot was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 23, 2023, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A lightweight bout between Rafael Fiziev and former KSW Featherweight and Lightweight Champion Mateusz Gamrot headlined the event.

UFC on ESPN 68: Gamrot vs. Klein was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on May 31, 2025, at the UFC Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States. A women's flyweight bout between Erin Blanchfield and Maycee Barber was originally scheduled to headline the event. However, minutes before their walkouts were to take place, Barber had to withdraw due to a medical issue involving a seizure. Therefore, a lightweight bout between former KSW Featherweight and Lightweight Champion Mateusz Gamrot and Ľudovít Klein inadvertently headlined the event.

UFC Fight Night 261: Oliveira vs. Gamrot (also known as UFC Fight Night: Oliveira vs Gamrot and UFC on ESPN+ 119) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 11, 2025, at the Farmasi Arena, in Rio de Janeiro, Brazil.

UFC 305: du Plessis vs. Adesanya was a mixed martial arts event produced by the Ultimate Fighting Championship that will take place on August 18, 2024, at the RAC Arena in Perth, Australia. A UFC Middleweight Championship bout between current champion (also former KSW Welterweight Champion) Dricus du Plessis and former two-time champion Israel Adesanya is expected to headline the event. It will mark the first time two African-born athletes meet for a title in the organization.

Jon Jones vs. Ciryl Gane (Heavyweight) Valentina Shevchenko vs. Alexa Grasso (Flyweight) Geoff Neal vs. Shavkat Rakhmonov (Welterweight) Mateusz Gamrot vs. Jalin Turner (Lightweight) Bo Nickal vs. Jamie Pickett (Middleweight)

UFC 299: O'Malley vs. Vera 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on March 9, 2024, at the Kaseya Center in Miami, Florida, United States.

UFC 280: Oliveira vs. Makhachev was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 22, 2022, at the Etihad Arena in Abu Dhabi, United Arab Emirates. A UFC Lightweight Championship bout for the vacant title between former champion Charles Oliveira and Islam Makhachev headlined the event. Oliveira was stripped of the title at UFC 274 when he failed to make weight for his attempted title defense against former interim champion (also former WSOF Lightweight Champion) Justin Gaethje.

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)

UFC on ESPN 26: Makhachev vs. Moisés was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 17, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A lightweight bout between Islam Makhachev and Thiago Moisés was then promoted to serve as the new main event.

UFC Fight Night 180: Ortega vs. The Korean Zombie was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 18, 2020 at the du Forum on Yas Island, Abu Dhabi, United Arab Emirates. A featherweight bout between former UFC Featherweight Championship challengers Brian Ortega and Chan Sung Jung served as the event headliner.