Goal ranks the previous lists, from least successful to most... N.B. Lists ranked predominantly by success of players who were in final year of NXGN eligibility, e.g. NXGN 2020 = players born in 2001. Without even looking at the rest of the list, it is clear that in Kluivert, NXGN 2018 has a winner who certainly has some work to do if his career is to hit the heights many expected of the Dutchman three years ago. After impressing for Ajax, the likes of Manchester United and Barcelona were being linked with a move for the 18-year-old, though he eventually joined Roma that summer.