UFC 307: Pereira vs. Rountree Jr. was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 5th 2024, at the Delta Center in Salt Lake City, Utah, United States. A UFC Light Heavyweight Championship bout between current champion (also former UFC Middleweight Champion and former Glory Middleweight and Light Heavyweight Champion) Alex Pereira and Khalil Rountree Jr. headlined the event.