In a season where Liverpool are threatening to re-write English football's history book, it was perhaps inevitable they would revisit an old chapter in the Champions League.
Previous semi-finals under Jurgen Klopp have been kissed by chaos; a case study in how to put your supporters through the broadest spectrum of emotions. And this was exactly the same. For 75 minutes, at least.
A 7-6 aggregate win over Roma was needed to see the Reds reach their first final in this competition for 11 years in 2018. The following year just happened to require one of the most iconic performances in club history to turn around a 3-0 first-leg deficit to Barcelona too.