Manchester City and Chelsea are in advanced talks over the possible sale of Diego Costa.
The former Atletico player, who believed to be integral to Antonio Conte's plans, whipped up a social media storm last night when he started following Manchester City on Instagram.
One source at Stamford Bridge has said that the club hierarchy are furious with Costa and his 'complete disregard for the club.'
'The deal hasn't been made official yet, so it's a bit disrespectful for Costa to be drawing so much attention to the deal.'
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