#3 AS Roma vs FC Barcelona, 2017/18, QF
1st Leg: FC Barcelona 4-1 AS Roma
2nd Leg: AS Roma 3-0 FC Barcelona
The Catalans led by Ernesto Valverde already had one hand on the La Liga trophy going into their quarter-finals against AS Roma. The team was brimming with confidence from the word go and AS Roma was no match for the Catalans and they ended up winning 4-1 at the Camp Nou.
No one in their wildest dreams would have thought of Barcelona throwing away a commanding 3 goal first-leg lead going into Rome to play the second-leg. However, that is exactly what happened. The Giallorossi seized the initiative and punished a sloppy Barcelona defence by netting in 3 goals and in the process taking the tie on away goals rule and advancing to the semi-finals.
AS Roma moved to the semi-finals on the away goals rule.