Where is it?
T-Mobile Arena, Las Vegas
When is it?
Saturday 26th August
Who is on the undercard?
Welshman Nathan Cleverly makes his first WBA light-heavyweight title defence against Badou Jack, who’s a part of Mayweather’s “The Money Team” promotions outfit.
Gervonta Davis defends his IBF super-featherweight title against Francisco Fonseca and former Team GB Olympian Savannah Marshall makes her pro debut under the Vegas lights. The unbeaten Andrew Tabiti also fights on the undercard, looking for a 15th consecutive win.
What time are the ring walks?
Mayweather and McGregor are expected to make their ring walks around 4am, but this is subject to change.
What are the rules?
The fight will be contested under boxing rules. There were rumours that the fight would be a hybrid mixing boxing and MMA together, but Mayweather would never have agreed to participate if that was the case.
Their records
Floyd Mayweather: Boxing – 49-0 (26 KOs)
Conor McGregor: Boxing – 0-0, MMA – 21-3 (18 KOs)
Floyd Mayweather vs. Conor McGregor Betting Tips