She started as a dangerous grappler who would ground opponents with ease and lock in the armbar in a matter of seconds .
Rousey 's skills have also evolved tremendously under Tarverdyan 's watch .
Rousey started as a dangerous grappler who would ground opponents with ease and lock in the armbar in a matter of seconds .
Rousey 's skills have also evolved tremendously under Tarverdyan 's watch .