UFC 306: O’Malley vs. Dvalishvili took place on Sept. 14 at the Sphere in Las Vegas.  The fight card featured two world title bouts and the belts changed hands in both of them. In the main event,  Merab Dvalishvili was crowned the new bantamweight champion after defeating  Sean O’Malley via unanimous decision.  In the co-main event,  Valentina Shevchenko became a two-time UFC champion after defeating  Alexa Grasso and winning back the women’s flyweight title.