The is officially open and clubs are free to do mid-season business to strengthen their squads.

are one of the clubs hoping to be busy but face Profit and Sustainability Rules (PSR) concerns which could complicate matters for somewhat.

Another popular topic throughout the winter window will be the future of the Premier League's top goalscorer - winger .

The Egyptian is out of contract in the summer and is now allowed to talk to overseas clubs over a pre-contract agreement to join a non-domestic club in July.

Express Sport brings you all the transfer gossip and news below...