Arsenal boss Unai Emery admitted they endured a tough time at Anfield.
The Reds found themselves behind just over ten minutes into the match due to a Ainsley Maitland-Niles goal. The Gunners tried to carry on their normal type of gameplay, but their sloppy defence looked helpless in front of the speedy trio of Roberto Firmino, Sadio Mane and Mohamed Salah.
But within five minutes, they were trailing.
After just seven minutes, the Senegalese was seen purposefully wrapping his hands around Arsenal defender Stephan Lichtsteiner's neck after the two had been involved in a slightly earlier skirmish. With the momentum they've got, they just look like champions in waiting.
The Egypt star scored their fourth on the stroke of half-time, converting a penalty after referee Michael Oliver adjudged he had been tripped by Sokratis Papastathopoulos.
In other matches, Brighton and Hobe Albion secured a 1-0 win over Everton, Cardiff City stunned Leicester City by the same scoreline and the spoils were shared between Watford and Newcastle after their 1-1 draw.
An away game against City comes up next for Liverpool, and this was certainly an impressive way to warm up for such an outing. This season, Klopp has adapted that style a little bit.
Young Uruguay global Lucas Torreira has made a strong start to life in the Premier League, though he was miles off the pace at Anfield, his usual snappy style nowhere to be seen.
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It was defensively poor (note; understatement) performance from Arsenal this evening which ended up in their 5-1 drubbing by league leaders Liverpool.
Second-placed Tottenham Hotspur's surprise defeat at home to Wolverhampton Wanderers allowed Liverpool to extend their lead by three points although Manchester City, who are 10 points off the pace, could cut the gap with a win at Southampton on Sunday.
"It was a top game; obviously Arsenal have their quality and you can see that with the first goal they scored".
A wonderful moment of individual skill from Kane put Spurs on course for a sixth straight league when he cut inside onto his weaker left foot, but still produced a powerful drive from 20 yards that beat Rui Patricio midway through the first half.
Jurgen Klopp said he almost cried when he saw Mohamed Salah's selfless gesture to teammate Roberto Firmino in the second half of his side's 5-1 thrashing of Arsenal at Anfield.
The former Hoffenheim man evidently enjoys playing against Arsenal as he now has eight in the Premier League against the North London club - with only Robbie Fowler managing more strikes against them.