Porto striker Jackson Martinez is said to be edging closer to sealing a move to Serie A club Napoli in an estimated €40 million deal according to Sky Sports.
The Colombian striker has been one of the hottest properties on the transfer market this summer, after scoring 34 goals in 39 appearances in all competitions for the Primeira Liga champions Porto.
Speculation has been rife over the striker's future, with Liverpool, Tottenham, Arsenal and Borussia Dortmund all interested in adding the Colombian to their rosters.
However, Italian outfit Napoli looks the most likely destination for Martinez, as the Serie A club look to spend some of the €64 million they received for the departure of Edinson Cavani to big-spending PSG.
The 26-year-old has reportedly agreed a five-year contract worth €2 million per season with the ambitious Serie A club, who have already added the likes of Gonzalo Higuain, Raul Albiol, Dries Mertens and Pepe Reina to their ranks as they look to displace rivals Juventus as champions of Italy.
However, whilst personal terms may have been agreed, Porto are reluctant to sell the striker, who only arrived at the Estadio do Dragao last summer from Mexican club Chiapas in an €11 million deal despite interest from Manchester City and Barcelona.
Furthermore, Porto are wanting to keep their best players following the departures of Joao Moutinho and James Rodriguez and have tried to price Martinez out of potential transfers.
Nonetheless, Napoli president Aurelio De Laurentiis and newly-appointed manager Rafa Benitez have made Martinez their top transfer target as they are also willing to pay the asking price of €40 million for the Colombian.
Martinez's agent Manuel Manzo told Sky Sports Italia: "There's an agreement with the player, but we're missing one with Porto and the club don't want to sell him.
"The only way it could happen in my opinion is that they pay the €40 million release clause, otherwise he won't leave."
Martinez had expressed a desire to stay with the Portugal club, telling Radio Renascenca: "I am happy to be here at a club like this.
"I am enjoying the opportunity to play here, I want to repeat what happened last season and win more trophies with Porto."
He has since apparently changed his view - and despite his Italian agent's claims that clubs such as Roma, Milan and Fiorentina were priced out of attaining the striker, who has been capped 18 times by Colombia, it seems a move to the Stadio San Paolo looks likely, where he will join up with compatriot Camilo Zuniga.
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