Napoli president Aurelio de Laurentiis has hinted that Porto striker Jackson Martinez could join the club this summer.
The Partenopei are expected to announce the arrival of Real Madrid forward Gonzalo Higuain on Monday in a £34.5m deal.
However, De Laurentiis has suggested that coach Rafael Benitez could sign more players before the new season begins.
He wrote on Twitter: "Regarding another forward, we have to analyse the strength and quality of the players we already have.
"We could add [Jackson] Martinez to the team, or it could be a lot of other players. Benitez will make the final decision."
Meanwhile, Martinez has insisted that he is happy to remain at Porto.