Zero chance he'll play anytime soon.
Achterberg added: “Now he is here, we have to improve [him]. He is still young, there is no pressure because there is still a long road and we don’t want to create any pressure for him because there is still work to do.
“First of all, you need to let him settle down, find his way. He needs to learn the speed, the kind of game in England is different than in Brazil, it’s a lot faster and there’s more aggression in it. All that stuff you have to calculate as well to work on a little bit"