AC Milan have made an approach for PSG defender Alex - which could free up a space for the French giant to make a move for Chelsea defender David Luiz.
According to L'Equipe, Alex is being offered a two year deal to head to Italy - although there remain some concerns regarding the move because he has previously insisted he will sign a new contract with his current club.
The 31-year-old, who joined Chelsea in 2004 before departing for Paris Saint-Germain in 2012, has been urged to stay by compatriot Thiago Silva.
That move could have a knock-on effect for Chelsea defender David Luiz, who is a target for the super-rich Ligue 1 leaders.
The Brazilian has been linked with both Bayern Munich and Barcelona in the past - however the latest reports suggest PSG have now entered the race for his signature.
Were Alex to join AC Milan, it would then leave a gap at the heart of Laurent Blanc's defence which could well be filled by the Chelsea man.
Luiz joined the Blues in 2011 from Benfica, and despite being a hit with fans, has been somewhat unreliable when played in defence.
Chelsea boss Jose Mourinho has continuously deployed Luiz in midfield, and is said to be unsure over his ability at the back which could lead to his exit from Stamford Bridge.
Eliaquim Mangala is PSG's alternative target should they fail to land Luiz.