Complex sentence: In 2001 Cúper was hired by Italian club Inter Milan, where he reached the third and second place of the championship in successive seasons.In Champions League his team lost the semifinals of UEFA Champions League 2002--03 to city rivals A.C. Milan on away goals rule.
Split into simpler sentences: In 2001 Cúper was hired by Italian club Internazionale, where he reached the third and second place of the championship in successive seasons. In the Champions League his team lost the semifinals of the 2002-03 competition to city rivals Milan on away goals rule.