Complex sentence: At the age of 14 he moved to Hajduk where he played for 5 years as a youngster, because of his games at the internation cups for National team and Hajduk he earned his transfer to Lazio.
Split into simpler sentences: At the age of 14 he moved to Hajduk where he played for 5 years as a youngster. Because of his games at international level and Hajduk he earned his transfer to Lazio.