Real Zaragoza pair Humberto Suazo and Matteo Contini are being tracked by Lazio.
Napoli defender Contini is on-loan at Zaragoza, while Chile international Suazo has struck an impressive four goals in seven games.
Lazio president Claudio Lotito has a good relationship with the Zaragoza board, with the two clubs having exchanged players over the last 18 months.