Craig Burley believes Unai Emery has done well implementing his style, but still has his reservations about Arsenal playing out from the back. In a season of considerable flux further up the pitch -- a campaign of tweaked formations, uncertain positions and half-time substitutions -- Arsenal's defence has been surprisingly consistent under Unai Emery. It has proved either resistant to shiny new signings like Bernd Leno or Stephan Lichtsteiner or, in the case of Sokratis Papastathopoulos, the back four has congealed around an influential new face who will be sorely missed if his absence is confirmed this weekend. In the Premier League, Arsenal's defence and goalkeeper have remained intact...
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