Well, Connor has an age advantage, so maybe he will have better stamina in the later rounds. The problem for him is going to be lasting into the later rounds, I don't know if he has the technical ability as a boxer to last against one of the all-time greatest boxers. Connor does have one hit knockout power, but will he be able to land a clean shot past Mayweather's defences? Mayweather will most likely win.
That is of course assuming the outcome of this fight hasn't already been bought, which is quite possible. If Mayweather has been paid to take a fall, those who bet on Connor stand to make alot of money.
I won't be watching regardless, the price is much too high here in the US.