I posted this link on the Mainland Women's thread as first saw on line in the Nelson Post but see now in The Press this morning about under age players:
https://www.stuff.co.nz/sport/football/78774435/13y...
The only really young player, under 15, I can recall playing in the old Southern League was Aaran Lines. I think Aaran was 14 when he played for Western when Terry Conley was the coach, and Terry was Aaran's mentor / coach.