In the process he had become a statistic in what many researchers call the silent epidemic of youth concussions .
The Wheatley Sharks ' rookie , who was then 16 , suffered a blow to the head and the first of 10 to 15 concussions .
In the process rookie had become a statistic in what many researchers call the silent epidemic of youth concussions .
The Wheatley Sharks ' rookie , who was then 16 , suffered a blow to the head and the first of 10 to 15 concussions .