- Andriy Shevchenko (€43.3m):
A disastrous transfer in terms of returns for Chelsea was the move for AC Milan striker Andriy Shevchenko. Having scored 127 goals in 208 Serie A games, Shevchenko was not able to adjust to the conditions in England and managed to score just 9 goals in all competitions in his two years at the club. He was an inform forward who had too much pressure on himself that led to his downfall.