I'm level 39 and I've NEVER bought a youth player for Tokens. I always sign the free player, then sell him straight away, whilst always releasing the token player.

12+ Tokens for a youngster who is 4 star is not worth it when my WORST player is 5 star minimum. I'd have to pay 12 tokens then power train that player up just to get him to the standard needed. I could go on the market and probably bring in 4/5/6 5 star players already for those 12 tokens.