The position that it lists is based on current skills. The main factors of training speed are height and age. As a 19 year old he will train faster than a 20+ year old. And at 6'7" he will train faster outside skills than 6'8" and taller.
I have 1757 players for sale and I'm $25,835,360 in debt. Buy them at outrageous prices, or be selfish and make me go bankrupt. You decide, BB.