article_snippet.sent: Nacho Monreal, Theo Walcott, Hector Bellerin and Olivier Giroud appear in good spirits during training .
article_snippet.sent: Mesut Ozil shares a joke with Monreal at Arsenal's training HQ while Alexis Sanchez has Alexis Sanchez shorts rolled up .
article_snippet.sent: Mathieu Flamini, Ozil and Sanchez are pictured at Arsenal's London Colney base on Friday .
article_snippet.sent: Arsenal's injury problems look to have finally eased, with midfielders Mikel Arteta, Jack Wilshere and Abou Diaby
article_snippet.sent: all having stepped up all rehabilitation from injury, along with full-back Mathieu Debuchy.
highlights_snippet.sent: Abou Diaby, Jack Wilshere, Mikel Arteta and Mathieu Debuchy in line to return to first-team fold .
  
highlights_snippet.sent: Arsenal's pre-game playlist: Pharrell makes Laurent Koscielny Happy .