“He showed what a big influence he can have from the bench. From here, there are no guarantees for anybody, not even for Mason.
“Is there room to improve? Yes. Is there a lot of room to improve? Yes, even for him.
“There are no gifts so he has to earn his place in every training session and every match. But he knows about it. He is a competitor.
“I don’t want to put a limit to his development. He has a lot of potential. Besides being a great footballer, he is a super-nice guy. He is eager to learn, hungry to win, open-minded and he can perform for any manager.”