Complex sentence: Born in Almada, Portugal, Carlitos played the vast majority of his career in the lower levels of Portuguese football, his only second division experience being with Portimonense S.C. in the 2007--08 season (only six starts, club finished in tenth position).
Split into simpler sentences: Born in Almada, Portugal, Carlitos played the vast majority of his career in the lower levels of Portuguese football. His only Segunda Liga experience occurred with Portimonense S.C. in the 2007--08 season (only six starts, club finished in tenth position).