Chelsea head coach Enzo Maresca has responded to the threat of PFA action over the Blues' treatment of exiled senior stars such as Raheem Sterling and Axel Disasi. The aforementioned duo find themselves in the fabled 'bomb squad' at Stamford Bridge, with the organisation in charge of player welfare eager to ensure that Premier League giants are acting professionally.

A Chelsea legend has warned his old team to be "careful" with how they treat 'bomb squad' players Raheem Sterling and Axel Disasi. The duo are training away from the Blues first-team after failing to secure summer exits. Amid talks with the Professional Footballers Association, Pat Nevin believes Chelsea need to watch how they treat Sterling and Disasi as it could damage the dressing room.

Bundesliga heavyweights Borussia Dortmund are exploring defensive options in case star defender Nico Schlotterbeck leaves the club for Bayern Munich next summer. They have identified one strong candidate in the form of Chelsea defender Axel Disasi and a past connection with Dortmund coach Niko Kovac might help them in securing his services.

GOAL breaks down all of the major moves over the past month and assess the implications for everyone involved

The winter window has slammed shut, and GOAL has passed judgement on all the biggest deals throughout the month