Arsenal are not yet over with the summer transfer window this season. After securing the signatures of Bernd Leno from Bayer Leverkusen, Stephan Lichtsteiner on a free transfer from Juventus, Sokratis Papastathopoulos from Borussia Dortmund, Lucas Torreira from Sampdoria and youngster Matteo Guendouzi from the French club Lorient, the North London