In an interview with Esquire, McGregor calls out Mayweather.
I look at him as a rookie in ten other areas. If you can box, what happens if I grab hold of your legs? If you put me face-to-face with Floyd Mayweather—pound-for-pound boxing’s best—if I fought Floyd, I would kill him in less than thirty seconds. It would take me less than thirty seconds to wrap around him like a boa constrictor and strangle him.