The Football Observatory, a well-known sports research organization, has compiled a list of clubs’ transfer losses in the past 10 years. Barcelona leads the list with a loss of 631 million euros, followed by Chelsea and Arsenal.
List of clubs’ transfer losses in the past 10 years:
1-Barcelona 631 million euros
2-Chelsea 483 million euros
3-Arsenal 436 million euros
4-Paris 410 million euros
5-Manchester United 328 million euros
6-Milan 298 million euros
7-Villa 256 million euros
8-Everton 251 million euros
9-Liverpool 249 million euros
10-Juventus 219 million euros