I doubt he have to many tokens, I don't even think he used more then 100. Is true that he have an youngsters squad but he can't use power training on all, he will go out of boosters in 1/2 days .
Young player progress 1 skill point per 1 green token...if trained proper they can make +1Large skill per day...costly as hell but if you like that way, enjoy it. Do not forget to bid like hell too maybe you are buying my player