#1 Kylian Mbappe (Paris Saint Germain)

French sensation Kylian Mbappe completed his loan move to Paris Saint Germain in 2017. Les Parisiens will surely make the deal permanent next year, thanks to his string of impressive performances. The move will propel him to the second place on the list of the game's most expensive transfers.
The Golden Boy of 2017 was a revelation last season, becoming the subject of a tug-of-war between the world's biggest clubs.
Mbappe boasts blistering pace, clinical finishing and fine playmaking skills down the flanks. Also, the fact that he isn't under pressure in spite of playing with giants like Neymar and Edinson Cavani at such a young age deserves praise.
It seems highly unlikely that there will be any change in the £166m fee that has already been agreed between both the clubs.
However, you can't deny Mbappe's possibility of breaking the transfer record, should he decide to call time on his stint at Parc Des Princes in the near future.