Complex sentence: He made his Serie A debut on 31 May 2015 against U.S. Sassuolo replacing Maxime Lestienne after 81 minutes in a 3--1 away defeat.
Split into simpler sentences: He made his Serie A debut on 31 May 2015 against U.S. Sassuolo. He replaced Maxime Lestienne after 81 minutes in a 3-1 away defeat.