Not for the first time, inadequate goalkeeping costs Liverpool in the Champions League.
It happened in 2018, with Loris Karius, and it happened here, with Adrian.
This was a pulsating European knockout tie played at an electric pace, and one in which Jurgen Klopp's side appeared in control for large parts.
Adrian effectively handed Diego Simeone's side their ticket to the Champions League quarters
Liverpool came here to score, and Atletico Madrid came here to defend. The game plan was working.
Then a gift from Adrian in extra time effectively hands Diego Simeone's side their ticket to the Champions League quarter-finals, and it all unravelled from there.