YouTuber Jake Paul faces heavyweight legend Mike Tyson in a professional boxing match on 15 November in Arlington, Texas.
The bout is a controversial one considering Tyson is 58 years old, but on the undercard are three world-title fights including the highly anticipated rematch between Katie Taylor and Amanda Serrano.
Organisers are hopeful of selling 60,000 tickets at the Dallas Cowboys’ AT&T Stadium, which can hold 80,000 fans.
The fight night is also the first boxing event to be streamed by Netflix, with Taylor and Serrano serving as the co-main event for the undisputed light-welterweight title.
You can follow live text commentary of Paul v Tyson and Taylor v Serrano from 03:00 GMT on 16 November on the BBC Sport website and app.
When is the Tyson v Paul fight and what are the UK times?
The fights are being staged in Texas, meaning a late night for UK fans.
The event is due to start at about 01:00 GMT on Saturday, 16 November.
Taylor v Serrano is expected about 03:00 with the main event expected just before 04:00.
Who is on the Tyson v Paul undercard and what is the full line-up?
Jake Paul v Mike Tyson – heavyweight (8x2min rounds)
Katie Taylor v Amanda Serrano 2 – undisputed light-welterweight title (10x2min rounds)
Mario Barrios v Abel Ramos – WBC welterweight title (12x3min rounds)
Shadasia Green v Melinda Watpool – WBO super-middleweight title (10x2min rounds)
Lucas Bahdi v Corey Marksman – lightweight (10x2min rounds)
Bruce Carrington v Dana Coolwell – featherweight (8x3min rounds)
Neeraj Goyat v Whindersson Nunes – middleweight (6x3min rounds)
What are the rules of the Tyson v Paul fight? Is it a pro fight?
The Texas Athletic Commission agreed to sanction the contest as a professional fight that will count to each man’s record, but have added several stipulations considering Tyson’s age.
The rounds can only be two minutes long and the bout cannot go longer than eight rounds.
Another big thing is the glove size. Tyson and Paul will wear 14oz gloves rather than the traditional 10oz gloves worn in professional boxing.
Knockouts will be allowed and a winner will be announced at the end of the eight rounds.
As for Taylor v Serrano 2, all the normal rules apply. Women’s fights are 10 two-minute rounds.
What is the Tyson v Paul fight week schedule?
Tuesday – open workout in Arlington from 23:30 GMT
All fighters will be going through the motions from about 17:30 local time.
Wednesday – news conference from 00:00 GMT (Thursday, 14 November)
Paul and Tyson will hold a final news conference at about 18:00 local time. Usually the undercard fighters or the co-main event, in this case Taylor and Serrano, conduct a news conference first before the headline act emerges.
Thursday – weigh-in from 00:00 GMT (Friday, 15 November)
Each fighter will hit the scales 24 hours before the fight. Tyson and Paul will not be under pressure to make weight, but Taylor and Serrano will have to hit the light-welterweight limit for their contest.