Napoli patron Aurelio De Laurentiis gave the latest on Mimmo Criscito, Blerim Dzemaili, Gokhan Inler and Arturo Vidal.
The club had agreed a fee with Genoa for Criscito some weeks ago, but failed to settle on personal terms.
“We have no problems, especially as it has been guaranteed Hugo Campagnaro won't have physical problems from his car crash next season,” De Laurentiis told Radio Marte.
“As for Criscito, he preferred to try an experience in Russia with Zenit. Our directors have been very professional in dealing with these negotiations.”
Similarly, Napoli had a deal with Udinese for Inler, but delays in agreeing personal terms have seen the club look towards Bayer Leverkusen midfielder Vidal instead.
“We certainly cannot expect to buy too many players for each position. I spoke to Inler's agent and have asked for a meeting to finalise everything. If Inler does arrive, then Vidal will not.”
The Partenopei are expected to complete their swoop for Parma midfielder Dzemaili this evening.
“I have signed a contract for Dzemaili, now we have to see what the lad wants to do. I am very happy with the arrival of Marco Donadel, while Mario Alberto Santana is not a priority.
“We also have to think about the goalkeepers, so there could be developments on Monday.”
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