France Football says that Arsenal and PSG are both looking at both Serge Aurier and Mathieu Debuchy.
http://www.francefootball.fr/news/Debuchy-drague-par-arsenal-et-le-psg/477587
http://www.getfootballnewsfrance.com/2014/arsenal-to-make-debuchy-offer/
http://www.express.co.uk/sport/football/485090/Arsenal-step-up-Mathieu-Debuchy-interest-with-PSG-and-Marseille-closing-in-on-Serge-Aurier
http://metro.co.uk/2014/06/26/arsenal-set-to-make-bid-for-newcastle-united-full-back-mathieu-debuchy-4776994/