Complex sentence: Asenjo made his U- 21 debut in August 2008, and was first-choice at the 2009 European Championships; he also played at the 2009 FIFA U- 20 World Cup in Egypt.
Split into simpler sentences: Asenjo made his under-21 debut in August 2008, and was first-choice at the 2009 European Championships. He also played at the 2009 FIFA U- 20 World Cup in Egypt.