Arsenal face Reading at Wembley in the FA Cup semi-final on Saturday . The Gunners won the FA Cup last year and are defending the trophy . Per Mertesacker feels they have become stronger since winning last season . The German defender will not allow complacency to creep in however .
Arsenal face Reading at Wembley in the FA Cup semi-final on Saturday . The Gunners won the FA Cup last season and are defending the trophy . Per Mertesacker feels they have become stronger since winning last year . The German defender will not allow complacency to creep in however .