Gonzalo Higuain and Pepe Reina are in Italy for their medicals ahead of completing moves to Serie A side Napoli.
The Argentine striker, who will cost €37m from Real Madrid, has touched down in Rome on Wednesday.
The centre-forward will now undergo tests at the Villa Stuart clinic in the Italian capital.
Liverpool goalkeeper Reina, who boss Rafael Benitez knows from their time together at Anfield, is also having his medical in the same facility.
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