Complex sentence: He played for the Croatia national football team (53 matches/2 goals) and was a participant at the 1998 FIFA World Cup, where Croatia won the bronze medals, and at club level he played for Hajduk Split and, most notably, Derby County.
Split into simpler sentences: He played for the Croatia national football team, winning 53 caps and scoring two goals, and formed part of a Croatia squad that won the bronze medal at the 1998 FIFA World Cup. At the club level he played for Hajduk Split and, most notably, Derby County.