- Conor McGregor faces Floyd Mayweather and is expected to start at 4am BST
- The Notorious will cause the greatest upset in boxing history if he claims a win
- Mayweather is aiming to become the first boxer to reach 50 wins undefeated
- Follow all the action as the main card gets underway at the T-Mobile Arena
It has been well over a year since a mega crossover-fight between Floyd Mayweather and Conor McGregor was first touted and the wait is finally set to come to an end at around 4am BST.
The Notorious and the Money Man will meet in the ring at the T-Mobile Arena in what is likely to become the biggest boxing match of all time in financial terms.
Should McGregor come out victorious, it will be the greatest upset in the sport’s illustrious history.
Sportsmail has a dedicated team of reporters both in Las Vegas and London to bring you all the action throughout the night as it happens.
Stick with us as we keep you up to date round-by-round with DANIEL MATTHEWS — plus updates from JEFF POWELL and CHRIS YOUNG in Las Vegas.