IRVING, Texas – Jake Paul is three days out from what will likely be the most-watched bout of his 12-fight boxing career. Looking at him, however, you might not be able to tell. The 27-year-old YouTuber-turned-boxer was all smiles and charisma Tuesday during an open workout at Toyota Music Factory ahead of Friday’s boxing match vs. Mike Tyson.

Mike Tyson vs Jake Paul fight week is officially underway. One of the biggest cards of the year finally takes place on Friday when Tyson and Paul meet over eight two-minute rounds at the AT&T Stadium in Arlington, Texas.

As we draw closer to this long-awaited carnival of the unknown, which features a can't-miss women's boxing rematch of Katie Taylor and Amanda Serrano for the undisputed junior welterweight crown, let's take a closer look at the biggest storylines surrounding the event.