RvP said: "You always have the feeling the youngsters can also make a difference.
"What I like about Memphis is that he picks things up so quickly. It is not so easy to be here at a World Cup because the level is so high. Every day, the maximum is required of everyone - including him.
"What he is doing is very mature for his age. It's a childhood dream. We do click well and I really love his beautiful style of play. Off the field, we also talk a lot about football.
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