Former heavyweight champion Mike Tyson and YouTuber-turned-boxer Jake Paul are set to fight in a live boxing match streamed on Netflix Friday, in what would be Tyson’s first sanctioned match in nearly 20 years amid rising concerns about the 58-year-old’s age and safety.

There are three days until the much-anticipated boxing match between Mike Tyson and Jake Paul. Here are the sanctioned fight rules explained.

Nostalgia is a powerful thing and it has a lot of people riding with former undisputed heavyweight champion "Iron" Mike from a betting perspective. The more skeptical fortune tellers side with Paul's 31-year youth edge and relative boxing success. Whatever side you fall on, there's a morbid curiosity about the whole thing.