What happened: Natalia Silva faces Wang Cong in the UFC 332 main event Saturday in Salt Lake City. The undisputed flyweight title is vacant after Valentina Shevchenko's extended absence.

Why it matters: The winner becomes the undisputed champion and resets the division around a new titleholder. That outcome defines flyweight matchmaking after Shevchenko's vacating the belt.

What to watch: The title is decided Saturday night, with the first defense order to follow.