The Gunners are aware they have many talented footballers coming through the academy, but that those players are desperate to get regular game time.
Arteta has a lot of faith in Patino and believes he can become a top player, but wants to ensure the young star is ready when he gets his first team chances.
"Charlie's been good. He played a practice match at Colney and he was really good," said Arteta.
"Again, give him time and we will prepare him."
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