Portuguese champions Porto will demand in excess of a whopping £25 million for the services of Manchester United and Chelsea target Eliaquim Mangala in January, according to talkSPORT.
22-year-old Mangala, who joined Porto from Belgian outfit Standard Liege in August 2011, has been highly-impressive of late and his excellent form at Estádio do Dragão saw him the subject of frenzied transfer speculation throughout the recent summer window.
Despite such interest appearing strong, however, no team were able to secure a move for the France international prior to the close of the window on September 2.
The summer's end has not put a halt to rumours concerning Mangala's future, however, with Jose Mourinho's men and United both persistently linked with possible January switches for the versatile defender.
If either of those title hopefuls is serious about making a winter approach for his services then it looks increasingly as if they will be forced to pay a significant sum to entice him away from Portugal.
According to talkSPORT, Porto will demand more than £25 million for the impressive talent whose current contract is not set to expire until 2016.
Both sides are evidently in need of strengthening in a defensive capacity, but whether either would be willing to meet such eye-watering demands remains to be seen.
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