Jurgen Klopp has hit back at criticism from Frank Lampard by telling him "he must learn", while the Chelsea boss has admitted he regrets the language he used during the pair's row.
Liverpool beat Chelsea 5-3 on Wednesday in a game that featured a touchline row between Lampard and Liverpool's coaching staff, including Klopp, after the newly-crowned Premier League champions were awarded a contentious free-kick.
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Speaking to Sky Sports after the match, Lampard said he had no problem with Klopp and congratulated them on their success, but warned Liverpool not to "get too arrogant", before declaring the matter over.
But ahead of Liverpool's final game of the season against Newcastle on Sunday, Klopp was in no mood to let the issue lie, and fired back at Lampard, saying: "You cannot hit me with something like that and my bench because we are not arrogant.
"Frank was obviously in a really competitive mood. I respect that a lot. You can pretty much, from my point of view, say, in a situation like this, what you want.
"For me, when it is after the game, it is completely over. I have said a lot in the past because it is pure emotion. We are really involved.
"He came here to win the game or to get a point to get Champions League qualification. I respect that a lot. What he has to learn is to finish it with the final whistle and he didn't do that.
"Speaking afterwards like this, that is not OK. Frank has to learn. He has a lot of time to learn because he is a young coach but that he has to learn."
"We are not arrogant. We are pretty much the opposite of arrogant. In a moment like this, how it is with all arguments, if you say something you want to hurt the other person. No problem with that, but after the final whistle close the book. He didn't do that and that is what I don't like."
Lampard: I regret language, not passion
Lampard's row with the Liverpool bench - in which he was heard swearing several times - was caught on camera and widely shared on social media.
The Chelsea head coach - whose side need a point from their final league game of the season against Wolves on Sunday to finish in the top four - said he regretted his language but did not regret defending his team.
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He said: "I've seen the video and I was obviously there. In terms of the language I used, I do regret that because these things get replayed a lot on social media. I've got two young daughters who are on social media so I regret that.
"In terms of regretting having passion to defend my team - no. I could have maybe handled it slightly differently to keep that language in.
"Some of the reports where that I was upset with the celebrating of the Liverpool team. Far from it. I think Liverpool should celebrate as much as they want with the season they've had.
"They can celebrate like they did after the game, like they celebrate every goal they score, like they celebrated when they won the league a month ago and like they're talking about celebrating one more time with their fans.
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"I would have had a beer with Jurgen Klopp after the game and toasted what a performance they've done this year.
"But there were things on the line that I didn't like from their bench - not Jurgen Klopp but the people behind him - which I felt crossed the line. That's what got me agitated but it's done.
"Emotions run high amongst most managers, fans and players. I regret the language and we move on."
Lampard went on to hint at frustration with the involvement of Liverpool assistant Pep Lijnders and explained why touchline dialogue ought to be confined to just the two managers.
He said: "What is the code? I think when you speak between managers, and there are lots of decisions that go and you can hear it more clearly now without the crowd. And lots of managers will call for decisions and it may be right or wrong. And then you speak with each other.
"But when people on the bench jump up and want to speak across to myself and then smirk and smile and then continue to do so for quite a while; I think that is past the code."
Expanding on his arrogance comment, Lampard qualified his position by focusing on respect, saying: "I think arrogance is a very important quality in terms of how you attack a football match as a player, in terms of how you attack a football match as a manager.
"Because you will be full of expectations around you, criticism of anything you do that might be seen as being wrong or not quite right.
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"And if you don't have a level of arrogance in what you do, you can be affected negatively and you might not be able to do your job as well.
"What I think also when you talk about arrogance is respect, and when you are in a role at a club or whether you are talking about how benches work - and I could speak to Jurgen Klopp all day and could fight the corner of a decision or performance of a referee - what my feeling was the bench at Liverpool, or one person in particular, was absolutely crossing that line so that became arrogant to me."
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