* Chelsea are demanding a fee in excess of €46m for Conor Gallagher Sky Sports News. Chelsea's 16352m summer signing Christopher Nkunku has been ruled out for an "extended period" after undergoing knee surgery. It is officially official, as Wesley Fofana has signed for Chelsea in a transfer fee which is said to be around $80 million. Fofana, 21, has signed a seven-year deal at Chelsea and this signing is a huge boost for Thomas Tuchel, who saw his side lose 2-1 at Southampton on Tuesday. The arr