Michał Oleksiejczuk

UFC Fight Night 266: Bautista vs. Oliveira was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 7, 2026, at the UFC Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States. A bantamweight bout between Mario Bautista and Vinicius Oliveira headlined the event.

UFC on ESPN 45: Song vs. Simon was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 29, 2023, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States.

UFC 319: du Plessis vs. Chimaev was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 16, 2025, at the United Center in Chicago, Illinois, United States. A UFC Middleweight Championship bout between current champion (also former KSW Welterweight Champion) Dricus du Plessis and undefeated contender Khamzat Chimaev headlined the event.

UFC 314: Volkanovski vs. Lopes was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 12, 2025, at the Kaseya Center in Miami, Florida, United States. A UFC Featherweight Championship bout for the vacant title between former champion Alexander Volkanovski and Diego Lopes headlined the event.

UFC Fight Night 149: Overeem vs. Oleinik was a mixed martial arts event produced by the Ultimate Fighting Championship held on April 20, 2019, at Yubileyny Sports Palace in Saint Petersburg, Russia. A heavyweight bout between the 2010 K-1 World Grand Prix Champion and former Strikeforce Heavyweight Champion Alistair Overeem and Aleksei Oleinik served as the event headliner.

UFC 302: Makhachev vs. Poirier was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 1, 2024, at the Prudential Center, in Newark, New Jersey, United States. A UFC Lightweight Championship bout between current champion Islam Makhachev and former interim champion Dustin Poirier headlined the event.

UFC on ESPN 40: Santos vs. Hill was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 6, 2022, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A light heavyweight bout between former UFC Light Heavyweight title challenger Thiago Santos and Jamahal Hill headlined the event. The heavyweight and women's flyweight finals of The Ultimate Fighter: Team Peña vs. Team Nunes took place at the event.

UFC Fight Night 280: Fiziev vs. Torres was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 27, 2026, at the National Gymnastics Arena in Baku, Azerbaijan. A lightweight bout between Rafael Fiziev and Manuel Torres headlined the event.

UFC 260: Miocic vs. Ngannou 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on March 27, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A UFC Heavyweight Championship rematch bout between current two-time champion Stipe Miocic and Francis Ngannou headlined this event. The pairing met previously at UFC 220 on January 20, 2018, where Miocic won via unanimous decision and broke the record for most consecutive title defenses for the division with his third.

UFC Fight Night: Holloway vs. The Korean Zombie (also known as UFC on ESPN+ 83) is a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 26, 2023, at the Singapore Indoor Stadium in Kallang, Singapore.

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 219: Cyborg vs. Holm was a mixed martial arts event produced by the Ultimate Fighting Championship held on December 30, 2017, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas metropolitan area. A UFC Women's Featherweight Championship bout between current champion Cris Cyborg (who is also a former Strikeforce Women's Featherweight Champion and Invicta FC Featherweight Champion) and former UFC Women's Bantamweight Champion Holly Holm headlined this event.

The friendship is long over, and now all that's left is for welterweight stars Jorge Masvidal and Colby Covington to settle their score in the main event of UFC 272 on Saturday, March 5 at T-Mobile Arena in Las Vegas. It's been a grudge match years in the making, and finally, the BMF champ will get his opportunity to end his feud with "Chaos" Covington once and for all in the Octagon. UFC 272: Covington vs Masvidal - Saturday, March 5th live from T-Mobile Arena in Las Vegas, NV 170 lbs.: Colby Covington vs. Jorge Masvidal 160 lbs.: Rafael dos Anjos vs. Renato Moicano (not Rafael Fiziev) 145 lbs.: Edson Barboza vs. Bryce Mitchell 170 lbs.: Kevin Holland vs. Alex Oliveira 265 lbs.: Greg Hardy vs. Serghei Spivac

UFC 267: Błachowicz vs. Teixeira was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 30, 2021, at the Etihad Arena in Abu Dhabi, United Arab Emirates.

Jared Cannonier vs. Sean Strickland (Middleweight) Arman Tsarukyan vs. Damir Ismagulov (Lightweight) Amir Albazi vs. Alessandro Costa (Flyweight) Alex Caceres vs. Julian Erosa (Featherweight) Drew Dober vs. Bobby Green (Lightweight) Michał Oleksiejczuk vs. Cody Brundage (Middleweight)

UFC Fight Night 145: Błachowicz vs. Santos was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on February 23, 2019 at O2 Arena in Prague, Czech Republic. A light heavyweight bout between former KSW Light Heavyweight Champion Jan Błachowicz and Thiago Santos served as the event headliner.

UFC on ABC 7: Sandhagen vs. Nurmagomedov was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 3, 2024, at the Etihad Arena in Abu Dhabi, United Arab Emirates. A bantamweight title eliminator bout between former interim UFC Bantamweight Championship challenger Cory Sandhagen and Umar Nurmagomedov headlined the event.

UFC Fight Night 168: Felder vs. Hooker was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 23, 2020, at Spark Arena in Auckland, New Zealand. A lightweight bout between Paul Felder and Dan Hooker served as the event headliner.