I have also seen evidence of this, my 20 year old 6'3 trainee had average passing then after 2 weeks of training he popped to strong.
(16933322) I will repost when I train passing in two weeks. (I will be training driving this week)
Original Skills:
Jump Shot: sensational Jump Range: prolific
Outside Def.: wondrous Handling: prominent
Driving: prominent Passing: strong ↑