Bayern Munich's 19-year-old winger Mathys Tel is a target for the Blues during the January transfer window with the German side interested in Chelsea forward Christopher Nkunku.
Manchester United could receive a bid for Alejandro Garnacho, Bayern Munich want Kobbie Mainoo, and Manchester City are reportedly willing to let Kyle Walker leave on a free transfer.
Manchester City boss Pep Guardiola says he may have made a mistake by telling the club to scrap plans to buy players last summer.
Derby County are closing in on the signing of Norwegian foward Lars-Jorgen Salvesen, reports BBC Radio Derby.