Why he choose us over Aussie... and if he has played a youth game for Aussie before, he he now cup tied to us?
Cup tied to us for the cycle. As of now, he wouldn't be able to go and play for Australian U16/17 team in their qualifiers/if they make the U17 World Cup.
Carlin or Mrsmiis should be able to confirm that. I'm just going off memory here.