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Jamie Carragher believes normal service has been resumed in Liverpool's defensive ranks - but warned the Reds will face a tough task in keeping Arsenal at bay on Wednesday evening.
Saturday's 1-0 victory over Everton moved Rafael Benitez's side into fourth place in the table and means they have now kept six clean sheets in their last seven Barclays Premier League outings.
Carragher admits the derby triumph has increased the 'feelgood factor' within the camp, and the vice-captain is eager for Liverpool to continue their defensive defiance at the Emirates.
"It is not just three points, it has a massive impact and everyone is buzzing," he said.
"But that can change if the result doesn't go our way at Arsenal.
"We beat Manchester United (in the league) and then played Arsenal in the Carling Cup and lost.
"It is important we keep that feelgood factor after the Arsenal game and that will be by making sure we get a good result.
"We are going into the game in a great frame of mind but Arsenal away is always difficult.
"We have been to the Emirates for a couple of years now and I don't think we've won there yet so it is something we are going to have to do sooner or later and hopefully Wednesday will be the time.
"For the last four or five years we have been good defensively under Rafa and we are just getting back to our normal selves.
"If you keep clean sheets you are going to win games."
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