Actually I didn't put too much on jump shot for centers, and I only got to that after some suggested it. Might lower it but if I do it will only be by a very little, from 3 to 2, after all, centers do score.
take a look at this link, if you wish.
(http://www.ehow.com/how_15455_size-centers-skills.html)Also, if you don't mind, BB me with the stats for your player, I might try to eyeball him to see if he's really off from how I would evaluate him.