RUMOUR MILL: Chelsea holding out for £44m for Diego Costa | Liverpool preparing to bid £70m for Naby Keita | Arsenal tell West Ham to pay £20m for Jack Wilshere | Manchester City close to signing Real Madrid's Danilo for £26.5m | AC Milan say Tottenham target Suso is not for sale | Manchester United linked with Paris St-Germain midfielder Marco Verratti | Inter Milan tell Red Devils they must include Anthony Martial in any deal for Ivan Perisic