Jurgen Klopp says he cannot understand the criticism Liverpool forward Mohamed Salah has received for his part in winning a penalty in Saturday's victory over West Ham.
David Moyes accused Salah of diving following a challenge from Arthur Masuaku at Anfield on Saturday, with the Hammers manager insisting he was "amazed" to see the first-half penalty awarded.
Salah scored the resulting spot-kick, before Diogo Jota won it in the second half as Liverpool came from behind to extend their unbeaten home league run to 63 matches.
"What can I say? It was a foul," Klopp said. "Pretty much everyone who saw the situation thought it (was a foul).
"Believe it or not, I spoke to Mo yesterday morning about how he feels. He has exactly three proper knocks on the foot. One of them is from the penalty situation.
"That's how it is. There is a knock, you go down or not, whatever. Sometimes the refs give it.
"We don't talk too long about all the penalties we don't get, to be honest, but obviously now two days after the game, we are talking about that - and there was clear contact.
"So what can I say? No. I don't understand the criticism."
Klopp unsurprised by Jota impact
Klopp says he is not surprised how quickly Jota has adapted to Liverpool's playing style and made an instant impact at the club.
Jota has scored three goals in the Reds' past three games, coming off the bench to net a winner against West Ham which secured the points to send his new club top of the Premier League table.
That strike took his Liverpool tally to four for the season, an impressive start following his £45m summer transfer from Wolves and one which has not come as a surprise to his manager.
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"He's good, as players should be when they join us," Klopp said at a media briefing ahead of Liverpool's Champions League tie against Atalanta. "He's experienced and has already played a lot of football in the Premier League.
"He's a really good boy and he's a really good signing. I knew it would not take long for him to adapt because the intensity level from Wolves is very high.
"The boys on the wings have to run like crazy so we knew physically he would be good. Then it's all about finding your feet in a new environment.
"It was easy for him to step into the squad and it's good that we have more than 11 who are in a good shape at the moment."
Liverpool travel to Italy to face an Atalanta side who scored 95 goals in all competitions last season bolstered by the return from injury of Naby Keita and Joel Matip, although decisions on their inclusion will be left until as late as possible on Tuesday.
Klopp will also have been given selection food for thought by Jota, a player he suggested may have benefited from being used a substitute in the early stages of his Liverpool career.
He said: "It's about coming into a game and finding rhythm and they (substitutes) come on with no pressure. Sometimes if a player is starting he has the night before to think about it.
"It's personal and it's a learning process. Coming on and starting a game when you're new to the club also brings a lot of pressure."
Diogo Jota was once again Liverpool's difference-maker on Saturday, scoring the winner against West Ham at Anfield after previously netting against Sheff Utd and FC Midtjylland this past week.
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Atalanta boss promises attacking approach
Atalanta coach Gian Piero Gasperini has promised he will not alter his side's attacking mindset against Liverpool.
The free-scoring Italians made it as far as the quarter-finals of the Champions League last season before they conceded two late goals in a 2-1 defeat to eventual finalists Paris Saint-Germain.
They have begun their latest campaign in a similar style, with a 4-0 thrashing of Danish side FC Midtjylland and a 2-2 draw with Ajax.
"We are facing a strong side who have won the Club World Cup and the Champions League the year before so it will be a very prestigious game against Liverpool," he said.
"As for changing the way we play, that is not a thought in my mind. We have come here after a long journey and are going to play Liverpool and we will still be playing in the same way tomorrow.
"We have this mindset of attacking very often but first you have to get the ball and after this you can start your attacking phase.
"It is unlikely you will see a different Atalanta tomorrow."