How big is mom and Dad? Historically what is the growth pattern of the family?
I wish I could have all the time back worrying how my older kid matched up. My youngest was a good ball player but never matched up with the studs in his class and never projected to be college player. I wish I had enjoyed my other sons Middleschool/HS ball games as much as my youngest. The time worrying and trying to compare at 14 is just not worth the effort. The goal is to just keep getting better. the only good stats are at 14 is to gauge progress. If he is better than the rest is will show in games. That is what brings opportunities.
ENJOY, ENJOY, ENJOY. Don't worry. If the kid is working hard and doing what he needs to do, everything will take care of itself.