Arsenal boss Arsene Wenger has told Danny Welbeck to study the game of Chelsea striker Diego Costa.
Wenger is pleased for Welbeck after his hat-trick against Galatasaray.
"Danny's 23 years old. The fact that he plays regularly in the Premier League now, in his position, means he's improving game-by-game.
"He's adding to his game and that's very positive. There's a lot more to come from him especially because he has the basics.
"He has a good technique, he has good pace and a good mentality, so I believe that Diego Costa is a good example for him to follow."
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