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.