Klopp's men are now fourth, but could move to second and close the gap between them and City to 15 points should other results also go their way.
"It is a real test at Anfield, one of the most prestigious stadiums", he said.
"If you want to win titles you have to win these kind of games".
Yet given some of the goals they've conceded this season, and as the recent maxim goes, his presence can only improve this defence.
"What's important is what happens over 90 minutes on the field", he added.More news: Schlumberger LTD (NYSE:SLB) Sentiment Report
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Perhaps history is irrelevant when clubs change as fast as City, but they have not won at Anfield since 2003 and have not even taken a point since 2012. "But records are always there to be broken".
Jurgen Klopp today tried to convince the media that Virgil van Dijk was not a definite starter for Liverpool on Sunday. I've played against Coutinho and he is a fantastic player, but he could be man-marked out of games.
Forward Salah, the Reds' top scorer with 23 goals in all competitions this season, has missed the last two matches because of a groin problem. That is our target, and to show courage. "It looks really good, cool".
Given the form Pep Guardiola's team are in, Barton believes they will never have a better chance of ending their dismal run in the red half of Merseyside.
"Alberto Moreno was in team training yesterday, the first full session". Hodgson was bolder than many of his counterparts in his own pressing game.
Asked what made his new side an attractive destination for a player who was also the subject of interest from Chelsea, the former Celtic man replied: "I think the size of the club, the fans, the players, the manager, the whole package here is wonderful".
A move for the 29-year-old, who played under Guardiola at Barcelona, could not be completed on transfer deadline day in August and City were reported by The Guardian this week to have lodged a fresh £20million bid for a player who is out of contract in June. He can not play for Barcelona in the Champions League as he is ineligible, but two - even one - medal would be welcome because they would be the first club honors the Brazil midfielder, 25, has won. Fortunately for Man City, Guardiola manages like each game is his last, and the club won't lose sight of its goals by overlooking any opponent.