According to reports out of Germany Chelsea have until December 31st to activate Thorgan Hazard’s release clause
Thorgan is the brother of Stamford Bridge star Eden, and is said to be keen to join his sibling.
The Blues sold Thorgan to Borussia Monchengladbach for around the £6.8m mark back in early 2015.
The previous season he impressed for the Bundesliga side on loan.
However, Bild are claiming the Premier League giants can now get him back for £12.8m.
Chelsea had a release clause implemented which means they can by him back at any stage, it is due to expire at the end of this year (December 31st).
Bild also report that the Blues will send a scout out on Wednesday to take a look at Hazard when Gladbach travel to Leipzig.