According to Record (h/t the Express), Les Monegasques are prepared to activate the French international's £42 million release clause.
In light of AS Monaco's recent defensive struggles, a defender will likely be top of Claudio Ranieri's shopping list in January.
Expected to face competition from the likes of the other sides mentioned, few of them will be able to afford to meet his buyout price as easily as the Ligue 1 side.
Following Porto’s premature exit from the Champions League, the time may have come for the young French international to leave the Estadio do Dragao in order to take the next step in his career.
Manchester United, Monaco, Chelsea and Barcelona would all offer him the step up in quality that he needs at this point in his development.
However, the newly promoted Ligue 1 outfit would likely be the ones able to offer the best overall package as regular first team football would be almost guaranteed.
Asking the question of whether or not Mangala is the sort of player capable of salvaging something from what has been a train wreck of a season so far for David Moyes (h/t Bleacher Report UK) is too much pressure for now.
Mangala would be better off making a move to a side that will able to offer him a chance to develop, with likely European football next season and a top quality squad to be a part of.
Monaco arguably fit the bill is every respect and would be able to pay Porto the fee that they are looking for.
Here are 10 other French talents apart from Mangala who are perhaps also ready for a transfer.