Complex sentence: In a rare achievement he took part in two FIFA World Youth Championships, the first in the United Arab Emirates where the national team grabbed the silver medal; in the 2005 edition Spain reached the quarterfinals, eventually ousted by winners Argentina.
Split into simpler sentences: In a rare achievement, he took part in two FIFA World Youth Championships, the first in the United Arab Emirates, where the national team grabbed the silver medal. In the 2005 edition, Spain reached the quarterfinals, eventually ousted by winners Argentina.