UFC 331: Flyweight tilt booked for promotion’s return to L.A.

A pivotal women’s flyweight matchup is slated for September.

Multiple people with knowledge of the promotion’s plans confirmed to MMA Fighting that Casey O’Neill is set to face Eduarda Moura at UFC 331. The event takes place Sept. 19 and at Crypto.com Arena in Los Angeles, with the UFC officially announcing the date and location Saturday.

O’Neill burst onto the UFC scene with four impressive wins, but then lost consecutive one-sided fights to Jennifer Maia and Ariane Lipski. Since then, O’Neill bounced back with back-to-back wins, including a first-round knockout victory against Gabriella Fernandes at UFC Seattle in March — O’Neill’s first figh