Mayweather was immediately placed 11-1 favourite in a fight that will take place in a boxing ring and be governed by boxing rules.
What remains to be set are the terms for the fight, the rounds to be boxed, and how and where the fight, bringing two different sports together, will be aired. Or have you lost your mind and decided that a novice boxer is going to land a SHOCKING LEFT HAND on the best boxer of the modern age? It would be an embarrassment for MMA.
"[McGregor] doesn't win in a boxing match", former undisputed heavyweight champion Tyson told Sirius XM 93. Espinoza believes that to be the reason why this boxing contest on August 26 will top the previous record.
Mayweather retired in September 2015 after beating Andre Berto to improve his professional boxing record to 49-0.
"But if he goes in there with the UFC stuff, now this could be pretty interesting".
One person who feels "Notorious" can pull off the greatest upset in boxing history is his employer, UFC president Dana White.
"There's a curiosity which is a factor". This fight, and the boxing vs. MMA promise it holds is tailor made for me.
Swanson and Malignaggi have spoken about fighting each other in the past, but nothing ever resulted from their back and forth on social media.
"I think it's brilliant". And if you're a fan of combat sports, this is the greatest end of the year ever.
He added: "Conor McGregor is a guy who's done a lot of good things over here for the sport and this company and he wanted this and the fans wanted it too".
"He's in the prime of his career".
Undefeated Mayweather, 40, is coming out of retirement for the clash after being constantly challenged and goaded by the brash 28-year-old from Ireland.
Creamfields has announced that they will be screening the historic fight at the festival this year as the fight falls on one of their dates.
"Floyd's definitely not knocking him out, that's for sure".
According to oddsmakers at Bovada.lv, Mayweather is the clear favorite in this bout, as he is listed with odds of -900 to win.