If you think you're having a bad day, chances are it's not this bad.
When one man tried to rob Polyana Viana, he had no idea what he was getting himself into. As it turns out, Viana is a 26-year-old UFC fighter from Rio de Janeiro, Brazil, and she is someone you definitely do not want to mess with.
Viana told MMAJunkie that she was waiting for an Uber in front of her apartment building when the man approached her. He claimed to have a gun and told her to give him her phone. But Viana acted quickly, and she basically became the hero this world needs.