#4 Sergej Milinković-Savić - €90 million
Nicknamed the 'Sergeant', Sergej Milinković-Savić has established himself as a hot property in the ongoing transfer window by virtue of a couple of impressive seasons at Lazio, with several top-notch clubs craving the Serbian's signature.
Under the tutelage of Simone Inzaghi, the 23-year-old has improved his style of play by leaps and bounds, becoming the beating heart of a vibrant side that ended the Serie A in the fifth place.
Milinković-Savić has often been compared to the likes of Paul Pogba, Zinedine Zidane and Yaya Touré. The former Genk star possesses all the tools to dominate the middle third of the pitch; he is strong in the air, good at snatching possession, boasts excellent passing technique along with tremendous vision, flawless close control and the ability to make runs forward.