UFC on ESPN 66: Machado Garry vs. Prates was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 26, 2025, at the T-Mobile Center in Kansas City, Missouri, United States. A welterweight bout between Ian Machado Garry and Carlos Prates served as the event headliner.

UFC on ESPN 66: Machado Garry vs. Prates

UFC 298: Volkanovski vs. Topuria was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 17, 2024, at the Honda Center, in Anaheim, USA. A UFC Featherweight Championship bout between current champion Alexander Volkanovski and Ilia Topuria headlined the event. This bout was originally expected to headline UFC 297 one month prior but was pushed back after Volkanovski was pulled to face UFC Lightweight Champion Islam Makhachev at UFC 294.