He's a lot younger, so youth is on his side.
It's a bad look for McGregor to be certain, and although he doesn't seem to care much about that perception, Mayweather is clearly growing exhausted of it.
When asked by Smith whether the buildup to this super fight can be compared to the 1982 heavyweight championship match between Larry Holmes and Gerry Cooney, which devolved into a narrative of white versus black, Mayweather agreed.
Anyone believe this guy? How will he combat the UFC superstar making his boxing debut?
Earlier this week the LA Times reported that as many as 7,000 tickets were still available for the fight at the Staples Center, which holds just over 20,000 people.
"I lost a step ..." Mayweather said he had a 90 percent knockout ratio in the early stages of his career.
"I lost a step", said the 40-year-old Mayweather.
Mayweather hasn't fought since he defeated Andre Berto on September 12, 2015.
It's possible we're seeing a new Mayweather - aware of his vulnerability as he confronts middle age, and cognizant of the steep toll time takes on every fighter's skills.
Mayweather is coming out of retirement for the fight against McGregor.
"I just thought about all our different leaders", Mayweather continued.
Billed as the "fight of the century" it just didn't live up, nor could have in reality - to that type of hype at least.
"This can't be a defensive fight", he said. It didn't push a button to make me jump out of my character and make me go insane, but I didn't like it.
Mystic Mac clearly fancies himself to shock the world with a win over the 49-0 boxing legend when they clash in the August 26 billion-dollar fight.