UFC Fight Night 174: Lewis vs. Oleinik (also known as UFC Fight Night 174, UFC on ESPN+ 32 and UFC Vegas 6) was a mixed martial arts event produced by the Ultimate Fighting Championship on August 8, 2020 at the UFC APEX facility in Las Vegas, Nevada, United States. Derrick Lewis vs. Aleksei Oleinik; Heavyweight. Omari Akhmedov vs. Chris Weidman; Middleweight. Maki Pitolo vs. Darren Stewart; Middleweight. Yana Kunitskaya vs. Ketlen Vieira; Women's bantamweight. Beneil Dariush vs. Scott Holtzman; Lightweight.

UFC Fight Night 184: Overeem vs. Volkov was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 6, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A heavyweight bout between the 2010 K-1 World Grand Prix Champion, former Strikeforce Heavyweight Champion and UFC Heavyweight Championship challenger Alistair Overeem and former Bellator Heavyweight World Champion Alexander Volkov served as the event headliner.

UFC Fight Night 190: Gane vs. Volkov was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 26, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A heavyweight bout between Ciryl Gane and former Bellator Heavyweight World Champion Alexander Volkov served as the event's headliner.

UFC on ESPN 11: Blaydes vs. Volkov was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 20, 2020 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A heavyweight bout between Curtis Blaydes and former Bellator Heavyweight Champion Alexander Volkov served as the event headliner.

UFC on ESPN 19: Hermansson vs. Vettori was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on December 5, 2020 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. Middleweights Marvin Vettori fought Jack Hermansson in the main event.