I know many of you might think I’m beating a dead horse and maybe I am but I am going to continue to publish the evidence. Check out this article from a website called Active for Life
http://www.activeforlife.ca/april-2012/are-complete-athletes-really-the-best-hockey-players
The subjects of the study were members of the Canadian Junior National Team this year. The average age of specialization was 14. In my neighborhood it seems to be about 9.