Complex sentence: In the next season he left for Paris Saint Germain before returning in the summer of 1999 to join Serie A newcomer Hellas Verona in a co-ownership deal and was closely followed at the club by the arrival of Robert Špehar.
Split into simpler sentences: In the next season he left for Paris Saint Germain. In summer 1999, he joined Serie A newcomer Hellas Verona in co-ownership deal, followed the arrival of Robert Špehar.