The summer transfer window has been closed for a month, but around Arsenal, inevitably, it still infuses every narrative. The latest one will unfold Tuesday night at Emirates Stadium, when Arsenal takes on Napoli in the Champions League: a story of two summer signings. On one side, there is Mesut Özil, the big-name playmaker that Arsenal broke the bank to acquire from Real Madrid. And, on the other, there is Argentina striker Gonzalo Higuaín, the player Arsenal wanted before he joined Napoli instead. Their combined transfer fees exceeded $100 million.

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