Julianna Peña is now a two-time women’s bantamweight champion after taking the title from Raquel Pennington in the UFC 307 co-main event.. Peña (11-5 MMA, 8-3 UFC) became the second champion of the post-Amanda Nunes era with a split decision victory over Pennington (16-9 MMA, 13-6 UFC) in Saturday’s pay-per-view co-headliner at Delta Center in Salt Lake City.