Michael Ballack
The summer transfer window saw many high-profile moves. These included Andriy Shevchenko and Michael Ballack joining Chelsea, and Ruud van Nistelrooy leaving Manchester United to join Real Madrid. West Ham United secured the surprise double signing of Javier Mascherano and Carlos Tevez from Corinthians, and Dietmar Hamann's transfer to Bolton Wanderers became the shortest in English footballing history.