Complex sentence: This lasted two years, but he did not manage to recapture his old form, and was later transferred to Serie B side Perugia Calcio in 1997, where he immediately won promotion to the first division.
Split into simpler sentences: This lasted two years, but he did not manage to recapture his old form. He was transferred to Serie B side Perugia Calcio in 1997, where he immediately won promotion to the first division.