It's called prizefighting when you are a pro you try to get as much as you can for the effort you put forth. Whatever attracted one into a position that dictates that they are putting theirs safety in danger starts as a fascination that becomes a job, a task by task effort or love to display your skill in a world of diversified challenges, the gentleman's art if self defense when someone bets or pays to watch is known as prize fighting. The better one is or aspires to being ups the stakes, it is only human and then there are the fans who pay to keep things going.