Recent speculation has linked the Reds with an offer in the region of £7million for the Argentina full-back, but any move appeared to have been ruled out by United boss Sir Alex Ferguson.
But Benitez has refused to back down in his pursuit of the 29-year-old and has revealed: "We made an offer which they rejected. The lawyers are now working on it and so we have to wait. He´s a good player."
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