Porto have moved to instigate emergency talks with Eliaquim Mangala in the face of interest from the likes of Manchester United, Chelsea and a huge bid from Manchester City.
According to Talksport, there has been much interest in the centre-back from out of Old Trafford and Stamford Bridge, while it also claims the Citizens have tabled a massive £38million bid for him.
Manuel Pellegrini is desperate to add some depth to his back line before the January window closes, as Manchester City have looked vulnerable when first choice pair Vincent Kompany and Matija Nastasic are not playing.
Meanwhile, there have been reports that Jose Mourinho could be on the lookout for a new centre-back owing to Chelsea captain John Terry not getting a new contract and departing at the end of the season.
Manchester United could reportedly lose two of their most experienced defenders come the summer as Rio Ferdinand has been tipped to reitre, while club captain Nemanja Vidic's contract expires and there has been very little said about an extension.
The report claim Manchester City were wary of this interest and have decided to move quickly in an attempt to force things through before the window closes, but Porto are not keen.
President Pinto de Costa, according to the report, would prefer a summer sale and has engaged talks with Mangala's representatives to try and make sure of this.
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