Complex sentence: Smit returned to his country in the 2008 summer, signing with first-divisioner FC Volendam; after having appeared sparingly throughout the season, he dropped down a level and returned to his first professional club, Telstar.
Split into simpler sentences: Smit returned to his country in the 2008 summer, signing with top level outfit FC Volendam. After having appeared sparingly throughout the season, he dropped down a category and returned to his first professional club, Telstar.