Legenday boxer Floyd Mayweather Jr. has agreed to fight mixed martial arts star Conor McGregor, but only if the price is right.

There have been several rumblings about the fight and a lot of back and forth between both athletes, but this time it feels like it might finally happening.

Mayweather, who retired with a 49-0 record as a boxer, joined ESPN’s First Take crew to discuss what it’d take for the fight to happen.

“I’m saying right here: Conor McGregor keeps telling everybody he wants the fight – let’s make it happen,” Mayweather said.

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“We tried to make the fight. They know what my number is. My number was a guaranteed $100m. We’re the A-side and I don’t know how much money he has made? I’m pretty sure he hasn’t even made $10m from an MMA bout. But we are willing to give him $15m and then we can talk about splitting the percentage, the back-end percentage on pay-per view.

“But of course we’re the A-side. How can a guy talk about $20m or $30m if he’s never even made $8m or $9m [for one fight]?”

Mayweather Jr.’s highest pay out from a boxing match was an estimated $300 million from his fight with Pacquiao. The fight didn’t live up to expectations however, and Mayweather has shut down any possible chance of a rematch.

“The only thing I’m probably interested in,” Mayweather added, “is the Conor McGregor fight. I’m a businessman, and it makes more business sense.”

McGregor has yet to respond to Mayweather’s terms.