Daily Star Sport looks at five of the Blues' biggest signing disappointments.Chelsea owner Roman Abramovich was desperate to snap up Ukraine hitman Shevchenko and finally got his wish in the summer of 2006.The Blues shelled out a whopping £39.5m to secure Ahevchenko's signature - despite Jose Mourinho, the Chelsea boss at the time, appearing to have no interest in the striker.Shevchenko had a remarkable strike rate in Serie A, but his powers seemed to diminish almost overnight following his arrival at Stamford Bridge.Despite arriving with a reputation as one of the most lethal strikers in Europe, the Ukrainian managed just nine Premier League goals in 48 appearances during a nightmare stay in the English top flight.Who was the worst Chelsea.
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