Marsh my man...let me give one phrase of advice that holds the key to your present and future existance--massive bowl of shaved forskins.
It might be drunkenness, but Sugar knows more about boxing than 1000 esb posters(including you) combined
Both are truly devestating KO's. Marciano's looked like the harder punch (I mean, of course it was, but as far as leverage) but the way Hatton hit the canvas was one of those "DAYUM!" moments in boxing.