#1 Kylian Mbappe
Market Value in July 2017: €35 million
Current market value: €150 million
Undoubtedly the biggest sensation in world football right now. The 19-year-old was exceptional for France at the 2018 World Cup and led them to their second World Cup title. He scored four goals in the tournament and was one of their most influential players.
The Frenchman is currently the second most expensive player in the world. PSG paid €180 million for his signature and he justified their valuation with 21 goals and 11 assists for Paris Saint-Germain in all competitions last season.
Mbappe's value has raised exponentially ever since his arrival at Paris and is currently valued at €150 million. Still 19 until December, he has the capability to potentially rule world football for many years to come.