 Complete the following phrase:  After two seasons, Amoroso was soon on the move again, this time to Borussia Dortmund in Germany, for 50 million Deutsche Mark 25 million, a German record at that time, and as of 2017, still a fifth highest signing after Corentin Tolisso, Javi Martínez, Mario Gómez, and Mario Götze. Amoroso won the Bundesliga title during the 200102 season, and was also the leagues top scorer. He helped the club to the 