 Complete the following phrase:  On 9 January 2001, Rosický joined Borussia Dortmund, signing a five-year contract. His transfer fee of DM 25 million approximately 8 million, made him the most expensive player in Bundesliga history and the most expensive Czech player to be sold to a foreign team. In his first full season at Dortmund, Rosický helped the club to win the 200102 Bundesliga title. He also took part in the 