Twenty-nine-year-old McGregor, the first fighter in UFC history to hold two titles simultaneously, goes into his encounter with Mayweather having never boxed professionally.
Where is Floyd Mayweather vs Conor McGregor taking place?
Floyd Mayweather vs. Conor McGregor takes place at the T-Mobile Arena in Las Vegas, Nevada.
What TV channel is Floyd Mayweather vs Conor McGregor on?
Fans wanting to see the most-talked about fight of the year will have to part with some of their hard-earned cash.
In the United Kingdom and Ireland, Mayweather vs. McGregor will be available to watch live on Sky Sports Box Office, for a fee of £19.95 (€24.95).
Can I watch Floyd Mayweather vs. Conor McGregor online?
Fight fans in the UK and Ireland will be able to watch ‘The Billion Dollar Fight’ online.
Sky Box Office can be streamed online via PC, laptop, tablet and gaming consoles once purchased.
Floyd Mayweather vs. Conor McGregor start time
The first bout of the four-fight undercard is expected to get underway at around 3:00am BST. The main event should start at around 5:00am BST.
What can we expect in the main event of Floyd Mayweather vs. Conor McGregor?
Expect fireworks. McGregor, Ireland’s first UFC belt holder, is on a mission to become the first man to humble ‘Money’ Mayweather, who has swept aside a staggering 49 opponents.
‘The Notorious’ has vowed to turn the combat sports world upside down by KO’ing 40-year-old Mayweather inside four rounds.
So it’s safe to say we’ll see McGregor come out at rip-roaring pace from the first bell.