Arsenal's defence caused a big concern last season, particularly in the closing stages of the campaign.
Arsene Wenger's back line leaked more than 50 goals over the course of the campaign.
Shkodran Mustafi took the brunt of the criticism, with some fans calling for the German to be axed from the squad.
With Unai Emery the new man in charge, plenty of focus will be on the Spaniard's activity in the transfer market, and how he sets his team up next season.
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The former Sevilla boss, who took over at the Emirates last month after getting sacked by Paris Saint-Germain, has made one signing already this summer.
Experienced right-back Stephan Lichtsteiner has agreed to join the Gunners on a free transfer from Juventus this summer.
Another defender has been among the gossip pages, and it is 22-year-old Benjamin Pavard, who currently plies his trade at Stuttgart.
The Frenchman, who earned a call-up to his nation's World Cup squad, played every minute of Stuttgart Bundesliga campaign.
According to Bild, Arsenal are interested, but he could cost them around £52.6m.
Fans have been posting their thoughts on the alleged interest via social media.