Chelsea are watching Lazio midfielder Sergey Milinkovic-Savic.
Gazzetta dello Sport says Chelsea had scouts posted to watch the Serb against Napoli on the weekend.
Chelsea boss Frank Lampard is a fan of Milinkovic-Savic and eager to explore the prospect of bringing the 24 year-old to London.
The midfielder's contract with Lazio runs to 2024.
This season, Milinkovic-Savic has played 17 matches, scored three goals and provided five assists.