Go inside the lives and training camps of four athletes preparing for title fights at Las Vegas’ annual flagship event. Bantamweight champion Amanda Nunes and challenger Valentina Shevchenko brace for a rematch in their adopted American cities with the support of fellow powerhouse females. Plus Cuban-born Olympic medalist Yoel Romero readies to face a young striker from Down Under, Robert Whittaker, in a battle for the interim middleweight belt.