He thinks the 24-year-old playmaker is the ideal fit for his side's style of play.
"He looked very comfortable," said Wenger. "He is a great player and there is a lot more to come from him. He told me after the game he enjoyed it but he had a good idea of what to expect.
"We have a game that's based a lot on movement and he gives everyone time to be available on the ball. It's a kind of technical security and a creative side to his game that is very interesting.
"His final pass and his retention of the ball gives everybody time to move."
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