Here Sportsmail looks at the expensive duds of the Roman Abramovich era.
Firing blanks: Torres has yet to score for Chelsea since arriving in January
Glen Johnson - ?6m (West Ham)Sold - ?4m (Portsmouth)July 2003 - August 2007
Bought to be: The future of Chelsea as an attacking right back (similar to what he is now at Liverpool and England)
High point: Coming on in 2005 League Cup final
Low point: Being behind Paulo Ferreira and Geremi (usually a midfielder) in the pecking order at right back.
Full-back flops: Johnson (left) and Del Horno failed to settle at Stamford Bridge
Asier del Horno - ?8m (Athletic Bilbao)Sold - ?4.8m (Valencia)June 2005 - July 2006
Bought to be: Competition for Wayne Bridge at left back.
High point: Winning first league title of his career.
Low point: Sending off in a 2-1 defeat to Barcelona in the Champions League last-16 for a foul on Lionel Messi.
Scott Parker - ?10m (Charlton)Sold - ?6.5m (Newcastle)January 2004 - June 2005
Bought to be: Back up for Lampard and Makelele in midfield.
High point: Named PFA young player of year in summer of 2004 (mainly on back of performances at Charlton).
Low point: Breaking his metatarsal against Norwich. He was out for 34 weeks.
Road to nowhere: Parker (left) and Wright-Phillips struggled to nail a starting role
Shaun Wright-Phillips - ?21m (Manchester City)Sold - ?9m (Manchester City)July 2005 - August 2008
Bought to be: A pacy threat on the right side of Jose Mourinho's three-pronged attack.
High point: Playing in 2007 FA Cup final win over Manchester United.
Low point: Being left out of squad for 2008 Champions League final loss to United
Khalid Boulahrouz - ?8.5m (Hamburg) Sold - ?4m (Stuttgart)August 2006 - May 2008
Bought to be: Cover across the backline for Mourinho.
High point: Marking Ronaldinho out of the game in 1-0 win over Barcelona at Stamford Bridge during 2006 Champions League group stage.
Low point: Getting sent off and giving away a penalty in the process in the 1-1 draw with Arsenal in 2007, which allowed United to claim the title.
Poor return: Veron (left) and Boulahrouz made only 37 starts between them
Juan Veron - ?15m (Manchester United)Sold - free (Estudiantes)August 2003 - July 2006
Bought to be: Midfield creator-in-chief
High point: Scoring the opening goal in 2-1 away win at Liverpool on Premier League debut for the club.
Low point: The rest of his time at Stamford Bridge before being loaned to Inter Milan.
Hernan Crespo - ?16.8m (Inter Milan)Sold - free (Inter Milan)August 2003 - August 2006
Bought to be: A big-time player in the Champions League after scoring 9 in 12 matches for Inter the season before.
High point: Winning his first European league title in 2005-06.
Low point: Being loaned to AC Milan after just a year at Stamford Bridge.
Should have stayed in Italy: Crespo (left) and Mutu both returned to Serie A after turbulent times at Stamford Bridge
Adrian Mutu - ?15.8m (Parma)Sacked August 2003 - January 2005
Bought to be: A signal of Abramovich's intent after taking over at the club.
High point: Scoring twice against Tottenham in a 4-2 win.
Low point: Being sacked after testing positive for cocaine.
Andriy Shevchenko - ?30m (AC Milan)Sold - free (Dynamo Kiev)May 2006 - August 2009
Bought to be: Experienced Champions League goalscorer - the final piece in Abramovich's European jigsaw.
High point: Playing 90 minutes in 2007 League Cup final win over Arsenal.
Low point: 10-game goalless run starting in December 2006.
Stamford Bridge stinkers: Shevchenko (left) and Kezman failed to live up to their goal scoring reputations
Mateja Kezman - ?5m (PSV Eindhoven)Sold - ?5.3m (Atletico Madrid)July 2004 - June 2005
Bought to be: A goal machine like he was in Holland with 105 goals in 123 games.
High point: Coming on to score the winner in the 3-2 League Cup final win over Liverpool in 2005.
Low Point: His ninth goalless appearance in Champions League for the club against Liverpool - it was his last and they lost 1-0.
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Explore more:People: Shaun Wright-Phillips, Glen Johnson, Fernando Torres, Andriy Shevchenko, Wayne Bridge, Jose Mourinho, Khalid Boulahrouz Places: Barcelona, Liverpool, Newcastle, Norwich, Italy, The Netherlands, United Kingdom