Kylian Mbappe
| When | From | To | Fee | Age |
| July 2018 | AS Monaco | Paris Saint-Germain | €145m | 19 |
Still just 21 years old, Mbappe already holds many records in football.
The talented youngster rose to prominence at AS Monaco before PSG signed him up on a €35m loan deal in 2017.
After a successful debut campaign, the Parisians made him the world’s most expensive teenager the following year for a stunning €145m.
It will be fascinating to see how far Mbappe goes in the future, with many already tipping him to match Cristiano Ronaldo and Lionel Messi.