Complex sentence: He made a further three substitute appearances before the end of the season, as the club were relegated from the 3rd Liga, and he was subsequently released by the club, signing for Eintracht Frankfurt II. He was released by Frankfurt six months later.
Split into simpler sentences: He made a further three substitute appearances before the end of the season, as the club were relegated from the 3. Fußball-Liga, and he was subsequently released by the club, signing for Eintracht Frankfurt II. He was released by Frankfurt six months later.