Arsenal and Atletico Madrid are in advanced talks over the possible sale of Antoine Griezmann.
The French forward, who believed to be integral to Diego Simeone's plans, whipped up a social media storm last night when he started following Arsenal on Instagram.
One source at the Vicente Calderon Stadium has said that the club hierarchy are furious with Griezmann and his 'complete disregard for the club.'
'The deal hasn't been made official yet, so it's a bit disrespectful for Griezmann to be drawing so much attention to the deal.'
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