What's the worlds most extreme sport? Well, in 2018 alone there were over three million reported sport injuries in the United States. Sure, we all run the risk of rolling our ankle playing basketball, or getting a head knock when playing football, but surely there’s no real danger in playing sport, right? Wrong! Turns out not all sports were created equal when it comes to danger, and there are some athletes who genuinely put their lives on the line every time they compete.
