Ajax sporting director Marc Overmars has said that in-demand pair Frenkie de Jong and Matthijs de Ligt won't be leaving the club in January.
Several of Europe's biggest clubs have been in pursuit of the Dutch international duo.
Goal understands Barca and Manchester City are both trying to sign midfielder De Jong, and the Liga side believe that the Premier League champions have the edge in the race for the 21-year-old.
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Meanwhile De Ligt is also being pursued by City and Barca among other sides, with the 19-year-old centre-back also a target for Juventus.