Ronda Rousey stopped Gina Carano with her signature armbar just 17 seconds into the iconic fighters’ mixed martial arts comeback bout.

Gina Carano knows it sounds preposterous to return to a sport as dangerous as mixed martial arts 17 years after her last bout.

Ronda Rousey and Gina Carano aren’t bothering to pretend to hate each other this week. These trailblazing fighters have been through too much and been away from mixed martial arts…