Orel Mangala is ready to leave Nottingham Forest in the January transfer window. That is according to Sky Germany journalist Florian Plettenberg, who has named the three clubs who are keen on signing the Forest midfielder. So, what has been reported about Nottingham Forest defensive midfielder Orel Mangala? Let’s take a look. Orel Mangala open to Nottingham ForestWell, according to Sky Germany journalist Florian Plettenberg on X, Orel Mangala is open to leaving Nottingham Forest in the January transfer window. The report has claimed that there are as many as three clubs keen on securing the se…