Sean O'Malley, Alexa Grasso set to defend titles at Noche UFC - ESPN
Two title fights will headline UFC 306 at The Sphere in Las Vegas on Sept. 14 as Sean O'Malley will defend the bantamweight title against top contender Merab Dvalishvili and Alexa Grasso will put her women's flyweight championship on the line in a trilogy fight against Valentina Shevchenko.