After Stephan El Shaarawy, Roma have also signed Slovakia international Norbert Gyomber from Catania for €1.5m.
The defender rarely featured since arriving in 2015, making just nine appearances.
“AS Roma has completed the signing of defender Norbert Gyomber on a permanent basis,” read a statement.
“Gyomber, 23, spent the previous season on loan at the Giallorossi from Catania, and the club has now exercised its option to sign the Slovakian on a permanent basis for €1.5 million.
“The player has signed a three-year contract that expires on 30 June 2019.”
Gyomber is currently on international duty with Slovakia at Euro 2016.