Kylian Mbappe would be a "stratospheric" signing for Real Madrid but a move is not financially feasible, according to the Spanish club's former president Ramon Calderon.
The Paris Saint-Germain forward has been strongly tipped to link up with Zinedine Zidane at the Santiago Bernabeu at some point in his career, potentially as early as this transfer window.
However, Mbappe still has two years to run on his PSG contract and would command a huge transfer fee, which Calderon feels no team can justify in the current climate.
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"No doubt Mbappe is a player who everyone would like to sign.