Manny's probably a top 5-10 right handed hitter, but I don't think there's any way to prove the statement he was the most talented.
Manny and Bonds (as much as i can't stand them) could read a pitch coming their way like no one ever had or ever will ...
One thing is to have eye-hand cordination and extreme power ...
Is hard to explain, but they could see a pitch coming out of pitcher's hand and : 1- see if it was hitable, 2-see if hitable or not they could still hit it, and 3- they could get the ball in fair territory.
That's why you could see Manny on a 3-0 count go to 3 and 2 and hit 4 straight foul balls on really lousy pitch instead of being walked,just to later hit it out of the park. that my friend is unique talent.
I have talked with coaches from dif eras and they all agree on this.