Manchester United, Chelsea, Barcelona and Monaco scouts are in the stands for tonight’s game between Atalanta and Lazio.
It kicks off at 19.45 GMT, click here for the line-ups and Liveblog.
According to Mediaset Premium, there are representatives in the stands of the Stadio Azzurri d’Italia in Bergamo from several of Europe’s top clubs.
It’s safe to say one of those being watched is Lazio midfielder Sergej Milinkovic-Savic, who is the subject of a reported bidding war.
The Biancocelesti slapped a €100m price-tag on the 22-year-old Serbia international.
Stefan de Vrij, whose contract is due to expire at the end of this season, is also on the watch-list for several sides.
Atalanta are a breeding ground for young talent, such as Bryan Cristante, Mattia Caldara, Leonardo Spinazzola and Andrea Petagna.