UFC on ESPN 45: Song vs. Simon was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 29, 2023, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States.

UFC on ESPN 45: Song vs. Simon

UFC Fight Night 230: Yusuff vs. Barboza was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 14, 2023, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A featherweight bout between Sodiq Yusuff and Edson Barboza headlined the event.