Former two-time PFL season champion and two-time Olympic gold medalist Harrison (18-1 MMA, 2-0 UFC) was dominant again with a unanimous decision victory over Vieira (14-4 MMA, 8-4 UFC) in the women’s bantamweight bout at Delta Center in Salt Lake City.

Former two-time Olympic judo gold medalist Kayla Harrison faced legitimate adversity for the first time in a UFC cage on Saturday and likely secured a shot at the women's bantamweight title for her efforts.

Kayla Harrison won unanimously over Ketlen Vieira to open the UFC 307 pay-per-view portion. The victory featured a challenging moment in the second round for Harrison, but the win positions the former Professional Fighters League champion for a shot at the UFC women's bantamweight title.