#2 Kepa Arrizabalaga
Kepa Arrizabalaga has turned heads of several European top dogs thanks to a couple of impressive seasons with the Spanish club - Athletic Bilbao.
Under the aegises of Ernesto Valverde and José Ángel Ziganda, the Spaniard has improved in leaps and bounds, merchandising himself as one of the most exciting prospects in world football. In the January transfer window, he was on Real Madrid's radar who were intensely pursuing him before he signed a new long-term contract with his current club.
While there were chances of Liverpool having a hard time levering Athletic Bilbao into signing a deal for their starlet, they could have pulled it off with consummate ease in comparison with the Alisson's transfer.