I'm not even doubting that Ali may or may not have cross trained.. I'm doubting that he would deliberately damage his hands.
O, and if you in fact do train with boxers all the time, video please.
YouTube- Fat Guy Gets Punched! The HORROR!
Punch lands with middle knuckle, twists with last 3 and pushes out into 2 knuckles.
and what is this one 'evidence' of?
you need to turn your fists down!!!
that was not even in question.
I give up. That fat guy video seems to be exactly what everyone has been saying and says nothing about the general conversation of punching with the last three knuckles "exclusively".