Mike tyson has predicted that McGregor "is going to get killed ... he put his dumb ass in a position where he's gonna get knocked out".
Former WBA champ Austin Trout has declared that the Irishman "don't have a chance. He's going to get eaten up."
Meanwhile, legendary fighter "Sugar" Shane Mosley has predicted: “I see Mayweather having a great time in there, smiling and laughing while McGregor is trying to hit him and find him. I see McGregor noticing how hard Mayweather hits. When he gets hit by Mayweather, he’s going to be like ‘this is different from UFC punches.’"
But if the Irishman needs some inspiration heading into the fight, he need look no further than Bulgarian Serafim Todorov, the last man to triumph over "Money" Mayweather in the ring.
At the 1996 Olympics, the 27-year-old Todorov met a 19-year-old Mayweather in the semi finals of the featherweight division. After a rugged fight, defined by vicious flurries of punches, Todorov won by a slender 10-9 margin. Here's how he did it...
Can the Notorious enact a similar miracle in Las Vegas today?
Our prediction: no chance...