Complex sentence: On 5 November 2013, he made his UEFA Champions League debut with Bayern Munich in a 1--0 group stage win away to Viktoria Plzeň, coming as a substitute for Mario Götze in the 87 minute.
Split into simpler sentences: On 5 November 2013, he made his European debut with Bayern Munich in an away match against Viktoria Plzeň. He came as a substitute for Mario Götze in the 87 minute.