Complex sentence: Pratto made his league debut on 16 September 2007 in a 1-2 away defeat to San Lorenzo, he went on to make 13 appearances for Tigre in which he scored one goal against San Martín de San Juan on 23 May 2008.
Split into simpler sentences: Pratto made his league debut on 16 September 2007 in a 1--2 away defeat to San Lorenzo. He went on to make 13 appearances for Tigre in which he scored one goal against San Martín de San Juan on 23 May 2008.