Liverpool began the new Premier League season in style, beating West Ham 4-0 at Anfield with Mohamed Salah again on the scoresheet.
The forward ended the last campaign in heartbreak, coming off injured in the side's Champions League defeat to Real Madrid.
However, he hit 32 goals last league season to win the Golden Boot and began the 2018-19 campaign in similar style, taking just 18 minutes to open his scoring for the new Premier League season.
Liverpool began strongly and were rewarded, the neat move beginning with new signing Naby Keita and Andy Robertson sending in a low cross that evaded the Hammers defence, Salah on hand to slot the ball home.
It was a deserved lead for Klopp's side and it was doubled just before the break, Sadi Mane getting on the end of a cut-back from James Milner.
It got even better for the dominant Reds early in the second half, Mane getting his second after being fed by Roberto Firmino, firing past Lukasz Fabianski in the Hammers goal.
That secured the game but there was time to add gloss to the victory with Daniel Sturridge, seconds after coming on as a substitute, getting Liverpool's fourth just before the end.
It was therefore a disappointing opening for Manuel Pellegrini in his first competitive match in charge of West Ham.
Liverpool's James Milner though, after setting up one of the goals, said he was pleased with the way the team clicked back into gear after a relatively short time-off for those players who were in Russia for the World Cup 2018.
He told Sky Sports afterwards: "There is expectation at the beginning of the season and everyone wants a good start. We've made some new signings and it was going to be a tough start.
"Last year was a long season and with the World Cup boys coming back in with such a short rest, they have done well. I've done it before and know how hard it is."
Liverpool are back in action next Monday night when they travel to Crystal Palace to face another team who won their opening game of the new season.
Roy Hodgson's team are 11/2 for the win with Liverpool 9/20 and the draw 7/2.
Liverpool are 8/1 to win the game 2-1.
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