The champ is trying to defend her title, and you can watch it live.

UFC 184 kicks off Saturday at the Staples Center in Los Angeles, and it’s headlined by undefeated bantamweight champion Ronda Rousey and unbeaten No. 1 contender Cat Zingano. The event starts at 10 p.m. ET.

You can catch all the Rousey-Zingano action on pay-per-view, or order the bout to watch online.

Thumbnail photo via Twitter/@UFCONFOX