Udinese midfielder Rodrigo de Paul is interesting Sevilla.
Previously with Valencia as a teenager, the 24-year-old has impressed in Serie A.
Gazzetta dello Sport says Porto have already offered 7 million euros for his services whilst Fiorentina are also interested in coming to an agreement.
Udinese spent just 3m euros to sign de Paul two years ago after spending time on loan at his boyhood club Racing having not lived up to expectations at Estadio Mestalla.
Last season, de Paul played 39 games, scoring four goals and providing eight assists.