Mayweather will be giving McGregor a BeatDown, along with a Big Check.
Mayweather will not be able to get a Knock-Out.
McGregor, the fighter, will not be able to lay a glove on Mayweather, the boxer.
By the 3rd round, McGregor will be mad, but not mad enough to keep from getting that check.
By the 7th round, McGregor will only see
$$ D O L L A R $$ $$ S I G N S $$, and want to get that check.

By the 10th round, McGregor will be done and Mayweather will be dancing for joy and money.