Wenger insists Gnabry has the technique and strength to cope with the challenge of the Premier League.
"To play in the Premier League today is very seldom for a young boy who is 17 years old," said Wenger. "But he has the body to cope with the duels and he is ready to do that.
"We have some other boys who have the technical quality to play in the Premier League but are not resistant enough yet to compete physically, but he [Gnabry] has that."
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