This argument is between those who think players are bad after one poor run of form, and those that don't.
Vermaelen and Sagna are in bad form, but are our best defenders. Koscielny has been in good form, but isn't even close to Vermaelen at his best.
Vermaelen and Sagna are in bad form, but are our best defenders. Koscielny has been in good form, but isn't even close to Vermaelen at his best.

