Complex sentence: Borussia Dortmund, who had lost in the two previous finals, faced Bayern Munich, the record title-holders, who won 4--3 on penalties, as the match had finished 0--0 after extra time, giving Bayern their 18th title.
Split into simpler sentences: Borussia Dortmund, who had lost in the two previous finals, faced Bayern Munich, the record title-holders. Bayern won 4--3 on penalties, as the match had finished 0--0 after extra time, giving Bayern their 18th title.