Original sentence: 2005/06 - Werder Bremen (30/9).2006/07 - Borussia Dortmund (29/1).During his years at Bremen, he didn't often receive the opportunity to start since he was stuck behind Miroslav Klose and Ivan Klasnić, the Bundesliga's top striking duo at the time.He was selected in Paraguay's squad for the 2006 World Cup but, although he put on a good performance against England, he failed to score in the three appearances.In May 2006, Valdez signed a four year contract with German side Borussia Dortmund, where he was able to start on a regular basis but struggled to score, with 1 goal in 29 outings in 2006-07
Edited sentence: 2005/06 - Werder Bremen.2006/07 - Borussia Dortmund.During his years at Werder Bremen, Valdez didn't often receive the opportunity to start since he was stuck behind Miroslav Klose and Ivan Klasnić, the Bundesliga's top striking duo at the time.He had a good game against England but failed to score.He often entered the game in the 70th minute or later as a sub for one of them, or for a midfielder if Werder was trailing.He was selected in Paraguay's squad for the 2006 World Cup.In May 2006, Valdez signed a four year contract with German side Borussia Dortmund, where he has been able to start on a regular basis but struggles to score.Valdez is an explosive goalscorer and playmaker, and scored some very important game-winning goals for Werder in Bundesliga and especially international competition the last two years