Liverpool coach Jürgen Kül admitted on Monday evening that his team's goal against West Ham United, which drew 1-1 in a new Ridds stalemate, was not confirmed.
Liverpool moved in the opposite direction when James Milner, who appeared to be in a sneak position when he received the ball, made a cross pass to Senegalese star Sadio Mani in the 24th minute inside the box to put it in the net of Polish goalkeeper Okash Fabianski.
"The game was very difficult, we knew how strong they were in the fixed balls, but when we trained on that, we had three other players in the team," he said after the game.
"Our goal was not right, we scored from an apparent infiltration and maybe the referee knew that between the two halves of the game," he said.
"If I know I made a mistake in the first half, I do not want to repeat that in the second half."