Tenacity, experience and grit. Arsenal needed all of those things, and the signings they've made thus far go some way to addressing their obvious shortcomings.
Borussia Dortmund centre back Sokratis, joins former Juventus right back Stephan Lichtsteiner and Uruguay prospect Lucas Torreira as the most high profile new arrivals at the Emirates.
Unai Emery's business isn't done, however. Here are five players that could be coming or going before the end of August.