Chelsea 'have moved to block Marcos Alonso's transfer to Barcelona' after the Catalan club snatched Jules Kounde from under their noses.
The Blues are also reluctant to allow fellow defender Cesar Azpilicueta to complete his move to the Nou Camp in what is becoming an increasingly fractious and complicated set of negotiations.
It comes after Barcelona swooped for £55million Sevilla defender Kounde even after Chelsea had seen their offer accepted.
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