Multiple sources are reporting that Fermin Lopez Marin is the subject of an offer from Chelsea, who have made a move to sign one of their top transfer targets. The midfielder, currently at Barcelona, is now at the centre of negotiations between the two clubs - while it remains to be seen whether the opening offer will be enough for the team to part with their man. Sunderland, Newcastle and Man Utd may look to intervene if talks continue without resolution. Chelsea look balanced this season - 1.71 goals scored and 1.23 goals conceded per game. Fermin Lopez Marin would be expected to bring control and consistency to help push them to another level. Barcelona continue to be linked with Joao Pedro, Dodo and Marc Cucurella while Chelsea are also rumoured to be tracking Angelo Stiller, Lewis Hall and Christian Michel Kofane. Follow us on Twitter @PlayerSwitchCom and get the latest Chelsea transfer news and rumours direct to your feed.