Complex sentence: Saad was delisted by the St. Kilda Football Club as a result of the investigation at the end of the 2013 season, however, following his suspension he was redrafted as a rookie by St Kilda in the 2015 Rookie Draft.
Split into simpler sentences: Saad was delisted by the St Kilda Football Club as a result of the investigation at the end of the 2013 season. He was redrafted as a rookie by St Kilda in the 2015 Rookie Draft.