Ten worst Chelsea transfer gaffs, including £50m flop Fernando Torres & Daniel Sturridge sale to Liverpool

9) Hernan Crespo

Although he arrived at Chelsea as one of the most feared strikers in the world, Hernan Crespo was another former Serie A star who struggled to cope with the quicker pace of the game in English football. After moving for around £16.8m, the Argentine managed just 25 goals in 73 games for the club before heading back to Italy.