A heavyweight bout between former UFC Heavyweight Championship challenger Derrick Lewis and Sergey Spivak was expected to headline the event. However, while the event was in progress, Lewis was forced to withdraw due to non-COVID, non-weight cutting illness and the bout was cancelled. As a result, Kennedy Nzechukwu and Ion Cuțelaba instead headlined the event.  Kennedy Nzechukwu vs. Ion Cuțelaba (Light Heavyweight)  Chase Sherman vs. Waldo Cortes-Acosta (Heavyweight)  André Fialho vs. Muslim Salikhov (Welterweight)  Jack Della Maddalena vs. Danny Roberts (Welterweight)  Charles Johnson vs. Zhalgas Zhumagulov (Flyweight)

UFC Fight Night 215: Nzechukwu vs. Cuțelaba

Charles Johnson vs Zhalgas Zhumagulov (Flyweight)  Jennifer Maia vs Maryna Moroz (Women's Flyweight)  Vince Morales vs Miles Johns (Bantamweight)  Ricky Turcios vs Kevin Natividad (Bantamweight)  Vanessa Demopoulos vs Maria Oliveira (Women's Strawweight)  Brady Hiestand vs Fernie Garcia (Bantamweight)  Natalia Silva vs Tereza Bleda (Women's Flyweight)

UFC Fight Night 215: Nzechukwu vs. Cuțelaba - Prelims

UFC 289: Nunes vs. Aldana was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 10, 2023, at the Rogers Arena in Vancouver, British Columbia, Canada. A UFC Women's Bantamweight Championship bout between current two-time champion (also current UFC Women's Featherweight Champion) Amanda Nunes and Irene Aldana headlined the event.