UFC 197: Jones vs. Saint Preux: UFC 197: Jones vs. Saint Preux was a mixed martial arts event held on April 23, 2016, at MGM Grand Garden Arena in Las Vegas, Nevada. The main event was former UFC Light Heavyweight Champion, Jon Jones, vs. Ovince Saint Preux in an interim title fight. A UFC Flyweight Championship bout between current champion Demetrious Johnson and 2008 Olympic gold medalist in freestyle wrestling Henry Cejudo co-headlined the event.