Grant Dawson vs. Bobby Green (Lightweight) Joe Pyfer vs. Abdul Razak Alhassan (Middleweight) Alex Morono vs. Joaquin Buckley (Welterweight) Drew Dober vs. Ricky Glenn (Lightweight) Philipe Lins vs. Ion Cutelaba (Light Heavyweight) Alexander Hernandez vs. Bill Algeo (Featherweight)
Ciryl Gane vs. Tai Tuivasa (Heavyweight) Robert Whittaker vs. Marvin Vettori (Middleweight) Alessio Di Chirico vs. Roman Kopylov (Middleweight) John Makdessi vs. Nasrat Haqparast (Lightweight) William Gomis vs. Jarno Errens (Featherweight) Charles Jourdain vs. Nathaniel Wood (Featherweight)
Johnny Walker vs. Jamahal Hill (Light Heavyweight) Kyle Daukaus vs. Jamie Pickett (Catchweight 195 lb) Parker Porter vs. Alan Baudot (Heavyweight) Jim Miller vs. Nikolas Motta (Lightweight) Joaquin Buckley vs. Abdul Razak Alhassan (Middleweight)
Max Holloway vs. Calvin Kattar Carlos Condit vs. Matt Brown Santiago Ponzinibbio vs. Li Jingliang Joaquin Buckley vs. Alessio Di Chirico Punahele Soriano vs. DuskoTodorovic
UFC Fight Night: 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.
Michael Chandler was scheduled to face Brent Primus in a rematch for the Lightweight title. However, on March 21, Primus pulled out of the fight due to a knee injury. As a result, Brandon Girtz stepped in as a replacement.