A week is a long time in football.

Liverpool put on the performance of the season so far when they became the first side in any competition to beat Pep Guardiola's Manchester City this season.

The 4-3 victory was a pulsating affair and when Liverpool were 4-1 up, they looked well worthy of that scoreline.

On Monday Night Football, they took on the other end of the spectrum when they faced rock-bottom Swansea at the Liberty Stadium.

Given the levels they reached against the league leaders, one would assume that the Reds would have been too much for a confidence-shot Swansea side, but Carlos Carvalhal's troops had other ideas.

The Welsh side came away with a 1-0 victory thanks to a strike from defender Alfie Mawson and successfully managed to frustrate Jurgen Klopp's men.

While precious few people would have predicted such a result, one Liverpool fan certainly did in scarily accurate fashion.

As you can see from the tweet below, he summed things up perfectly.

It was a night to forget for Liverpool with recent defensive concerns coming back to the surface, not to mention, questions about their creativity in lieu of Philippe Coutinho.

During the match, Klopp could be seen giving a Swansea fan behind the dugout a piece of his mind and after the game, he apologised for his actions.

"He was shouting at me all the time. Sorry, I reacted one time," said Klopp.

"I remind myself I am a human being and not a professional manager who takes that all the time."

He added: "At one point, I said 'please'. He felt quite good because nobody can do anything. He is in a good position. I'm sure I'm not the first manager."

It's understandable that Klopp's frustrations would boil over, especially after being trolled the whole game. But, you just can't do that in the Premier League.

The defeat is Liverpool's first in 19 games and ends their terrific unbeaten run. Next up for the Reds is a clash with West Brom in the fourth round of the FA Cup at the weekend and the competition surely represents their best chance at silverware this season.