Video: Ronda Rousey isn't scared of Fallon Fox, but believes transgender fighter holds 'unfair advantage'

"I think it's one of those situations where it's a case-by-case thing. I actually tried to research a lot and I feel that if you already go through puberty as a man, it's something you can't really reverse. But there are people that are identified earlier on who are put on hormone replacement therapy until they're of legal age, and they can make a decision to get the sex change later. That would be acceptable, that would be fine, because they wouldn't have already developed the bone structure of a man, the muscular structure. You can't just reverse that. There's no 'undo' button on that. On a case-by-case basis, I think you really have to look at that, but in Fallon Fox's case, I think that she has an unfair advantage. It is outside of...