Arsene Wenger has said he is in the market for a centre - back after coming to terms with Per Mertesacker 's knee injury that will have the German sidelined until the New Year .
Vermaelen looks to be an excellent coup - regarding he stays fit .
Arsene Wenger has said he is in the market for a centre - back after coming to terms with Per Mertesacker 's knee injury that will have the German sidelined until the New Year , and Vermaelen looks to be an excellent coup - regarding he stays fit .