Only once before in UEFA Champions League history have more goals been scored in a knockout round tie than the 12 mustered by Monaco and Manchester City in their round of 16 meeting.
13 GOALS
Bayern München 12-1 Sporting CP
2008/09, round of 16
12 GOALS
Lyon 10-2 Werder Bremen
2004/05, round of 16
Chelsea 7-5 Liverpool
2008/09, quarter-finals
Barcelona 10-2 Bayer Leverkusen
2011/12, round of 16
Monaco 6-6 Manchester City (Monaco win on away goals)
2016/17, round of 16