Liverpool capped an astonishing day of Premier League football by suffering a 7-2 defeat at Aston Villa as Jurgen Klopp's champions collapsed in barely-believable fashion.
After bitter rivals Manchester United had suffered the ignominy of a 6-1 drubbing at the hands of Jose Mourinho's Tottenham Hotspur at Old Trafford, Liverpool fared even worse in their match at Villa Park.
As astonishing rout began when Liverpool goalkeeper Adrian - who was replacing the injured Alisson Becker - misplaced a pass across the penalty box to allow Jack Grealish to set up Ollie Watkins to open the scoring for the hosts inside the first five minutes.
Watkins then added a stunning second on 22 minutes before Liverpool hitman Mo Salah pulled a goal back for the champions 11 minutes later.
But Villa restored their two-goal cushion when John McGinn's effort deflected off Virgil van Dijk and looped over Adrian and into the net.
Watkins made it four - and bagged a hat-trick for himself - six minutes before half-time when he headed home as Liverpool were in complete disarray at the back.
Incredibly, new boy Ross Barkley - on loan from Chelsea - made it 5-1 with a deflected shot on 55 minutes, and while Salah again gave Liverpool hope of an unlikely comeback by making it 5-2 with half an hour to play, Villa added two more to their tally through a double from inspirational skipper Jack Grealish.
The figures made record reading for Liverpool for all the wrong reasons.
Fans noted the craziness of a day of Premier League football in which Liverpool and Manchester United - England's most decorated clubs - had conceded 13 goals between them.
Others such as TV personality Piers Morgan noted the flying start made by Merseyside rivals Everton to the season, with their perfect record of four wins from four.
Former Liverpool icon Jamie Carragher meanwhile said the performance against last season's relegation strugglers Villa was like men against boys.
Others simply wondered whether this was, in fact, real life.