Arsenal will start their pre-season this Friday by facing Ligue 2 club Lens, but a number of key absentees from the squad will surely make Arsenal feel their absence.
It is not anything new for Arsenal, they have already been in this kind of situation before after World Cup 2014, when Wenger had to deal with the absence of Per Mertesacker, Podolski and Ozil, and the Frenchman is about to face it yet again.
These following players are set to miss the opening Premier League game for Arsenal against Liverpool.