Strikeforce: Marquardt vs. Saffiedine

Juliana Velasquez vs. Denise Kielholtz (Flyweight) Tyrell Fortune vs. Matt Mitrione (Heavyweight) Matheus Mattos vs. Cee Jay Hamilton (Bantamweight) Arlene Blencowe vs. Dayana Silva (Featherweight) Johnny Eblen vs. Travis Davis (Middleweight)

UFC on ESPN 28: Hall vs. Strickland was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 31, 2021 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A middleweight bout between Uriah Hall and Sean Strickland headlined this event.

UFC on ESPN 29: Cannonier vs. Gastelum was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 21, 2021, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A middleweight bout between Jared Cannonier and former interim title challenger and The Ultimate Fighter: Team Jones vs. Team Sonnen middleweight winner Kelvin Gastelum headlined this event.

Patrício Freire vs. A.J. McKee (Featherweight) Mads Burnell vs. Emmanuel Sanchez (Featherweight) Usman Nurmagomedov vs. Manny Muro (Lightweight) Brent Primus vs. Islam Mamedov (Lightweight) Goiti Yamauchi vs. Chris Gonzalez (Lightweight)

UFC on ESPN 27: Sandhagen vs. Dillashaw was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 24, 2021, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A bantamweight bout between former two-time UFC Bantamweight Champion T.J. Dillashaw and Cory Sandhagen served as the event headliner. It was Dillashaw's first fight since his two-year suspension due to testing positive for recombinant human erythropoietin (EPO), which resulted in his title vacancy.