4. Petr Cech

Chelsea's £7m purchase of Petr Cech from Rennes in 2004 must surely go down as one of the best deals of the decade.

The 31-year-old has been exceptionally consistent since arriving at Stamford Bridge - and his performances have helped the Blues win three Premier League titles, four FA Cups, two League Cups and a Champions League over the last nine years.

His story is made all the more remarkable by the fact he returned from a depressed skull fracture in January 2007.

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