Watch UFC on ESPN 45: Song vs. Simon (2023) Online
- RUNTIME: 3h 0m
- COUNTRIES: United States of America
- Subtitles: English
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.
