Complex sentence: He made his Ligue 1 debut on 21 March 2015 against Evian Thonon Gaillard replacing Paul Lasne in the extra time in a 1--0 away defeat.
Split into simpler sentences: He made his Ligue 1 debut at 21 March 2015 against Evian Thonon Gaillard. He replaced Paul Lasne in the extra time in a 1-0 away defeat.