What's the newsNapoli are looking to sign AS Roma and Greece international centre-back Kostas Manolas in order to strengthen their backline.In case you didn't knowNapoli centre-back Raul Albiol has been linked with a move back to Spain which has resulted in Napoli looking for a replacement for the 33-year old veteran Spanish World Cup winner.Manolas has a relatively cheap €36 million release clause on his contract. The heart of the matterAccording to renowned Italian journalist Gianluca Di Marzio, Napoli are seriously interested in signing 28-year old Greece international from AS Roma. The report states that the team from Naples has reached an agreement in principle for the central defender.The Partenopei though have not agreed on a transfer fee for the Giallorossi, with the side from Naples looking to sign the 28-year old for a fee lesser than his €36 million release clauseIt is being reported that Napoli might tempt AS Roma by offering 21-year old midfielder Amadou Diawara or former Roma player Mario Rui. The Giallorossi though are not interested in either, with the Roman club looking preferring Dries Mertens.AC Milan, who were considered to be in the pole position to sign the central defender, have reportedly asked to agent's of the Greece international to wait.This ploy might cause the Rossoneri to lose the central defender if Napoli pays the full €36 million release clause.The 28-year old Manolas who joined AS Roma in 2014 has over 200 appearances for the Giallorossi.#Napoli make progress in race for #Manolas to replace #Albiol: the latest https://t.co/Iwbw6eoBYd— David Amoyal (@DavidAmoyal) June 15, 2019What's nextNapoli will have to fend off interest from a rejuvenated AC Milan to get their target but will have to look for other alternatives if Manolas decide to move to the San Siro.