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When you're talking about something like professional fighting, crazy and even downright unlikeable characters are going to come with the territory.

Though the huge majority of its athletes are humble and respectful law-abiding people, it's still a sport (like pro football or boxing) that essentially involves paying men for behaving badly.

It's a highly testosterone-laden environment, as evidenced by what happened when a transgender athlete was thrown into the pool; that feeding frenzy is somehow still going. In any case, here are the top 10 most unlikeable characters in mixed martial arts today.