Complex sentence: He made his Bundesliga debut on 31 August 2014 against Hannover 96 replacing Koo Ja-cheol after 82 minutes in a 0--0 draw.
Split into simpler sentences: He made his Bundesliga debut at 31 August 2014 against Hannover 96. He replaced Koo Ja-cheol after 82 minutes in a 0--0 draw.