Ronda Rousey made short work of Gina Carano, finishing the women’s MMA pioneer in just 17 seconds with her patented armbar (watch the highlights here). We’d say “Rowdy” is back, but the star made it clear coming into this fight that this is a one-and-done affair.

Rousey, the former UFC champion, has vowed that her comeback fight will be the biggest fight in women’s MMA history.

In her 17-second submission of Gina Carano — by armbar, of course — Rousey didn’t just notch her first win since 2015; she helped open a debate about whether mixed martial arts would see its first ser...