Arsenal’s perfect transfer window: 7 in, 6 out for Gunners, with Mandzukic & Aurier signing

4) Thomas Vermaelen

The club captain couldn’t get in the side last season behind Per Mertesacker and Laurent Koscielny – and it’s unlikely he’ll be content to spend another season on the bench for Arsenal. Manchester United and Fiorentina are expected to battle for the Belgian.