How did that happen? Jurgen Klopp looked befuddled but it was no wonder. There is something, after all, about Liverpool and three goal leads that simply does not mix.
What should have been an evening of eulogies and platitudes to mark what appeared to be a record-breaking night in Spain, became an emotional drain, finger-chewing, head-scratching.
Liverpool, after 30 minutes in Seville, were careering into the knockout stages, having dismantled their hosts with a wonderful display of attacking football. It was the first time since 1975 they had scored three goals in Spain and Roberto Firmino epitomised everything they did.