Complex sentence: At international level, he and Fernando Couto were considered the best defensive duo in UEFA's Euro 2000, retiring from international football after the 2002 FIFA World Cup, with fifty caps and two goals.
Split into simpler sentences: At international level, he and Fernando Couto were considered the best defensive duo in UEFA's Euro 2000. Costa retired from international football after the 2002 FIFA World Cup, having won fifty caps and two goals.