Kayla Harrison dominated and submitted Julianna Peña for the UFC women's bantamweight title and will face former champion Amanda Nunes for her first defense.

Kayla Harrison has hit the jackpot. The two-time Olympic champion added more gold to her trophy case, winning the UFC women's bantamweight championship and setting up a valuable fight with soon-to-be Hall of Famer Amanda Nunes.

Kayla Harrison, the two-time Olympic judo gold medalist and two-time PFL lightweight champion, became a UFC champion with a submission win over bantamweight titleholder Julianna Peña.