Well i think these are the Key Parts.
Goalkeeper: Akinfeev, Adler or De Gea would be sweet Signings
Centre Backs: Adil Rami, (but as hes moved to Valencia doubtful) , Mamadou Sakho,Neven Subotic
Centre Mid: (Creative) Hamsik, Gourcuff(if fail with Hamsik)
Winger: Alexis Sanchez
Goalkeeper: Akinfeev, Adler or De Gea would be sweet Signings
Centre Backs: Adil Rami, (but as hes moved to Valencia doubtful) , Mamadou Sakho,Neven Subotic
Centre Mid: (Creative) Hamsik, Gourcuff(if fail with Hamsik)
Winger: Alexis Sanchez