Two years ago today, Liverpool's reign as European champions was ended.
Attempting to overturn a one-goal deficit from the first leg, Jurgen Klopp's side found themselves ahead on aggregate in extra-time after a Gini Wijnaldum header got the better of Jan Oblak.
The tide soon turned, though, as Atletico struck three times in the space of 23 minutes to book their place in the quarter-finals of the Champions League.