Mayweather beat the UFC superstar in 2017, his farewell fight as a professional.
The Las Vegas Raiders’ NFL stadium[/caption]
But he has boxed in three exhibition bouts since and returns over the weekend in Japan against MMA star Mikuru Asakura, 30.
Mayweather, 45, is then in talks with YouTuber Deji, 25, for a November exhibition in Dubai.
And it could set him up for a rematch with McGregor, where he would be willing to put his 50-0 record on the line – for a guaranteed $100m (£90m).
Mayweather told TMZ Sports: “If the price is right. Of course, they already talked to me about the number that I’m going to receive.
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“Of course, it’s nine-figures and probably – I don’t want to say huge in the nine-figures – but we have to at least start at $100million for Floyd Mayweather.”
Mayweather claimed talks to fight at Las Vegas Raiders’ NFL stadium had already taken place, as McGregor, 34, recovers from injury.
He said: “They talked about it being in Vegas, at the Allegiant Stadium.
“They talked about it being at the Allegiant Stadium. But if I’m not mistaken, Conor still has a problems with his leg.
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“If it’s going to happen, it’s going to happen in 2023, not 2022.
“So this year I got an exhibition this Saturday, which will be in the US and once again it’s Sunday in Japan.
“Then after that in November I’ve got another exhibition in Dubai at the Coca-Cola Arena.
“And then hopefully me and Conor McGregor can lock up again in 2023, in a real fight actually.”
Floyd Mayweather ahead of his return in Japan[/caption]