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Jamie Carragher believes Liverpool should prioritise buying a new goalkeeper and left-back this summer – and has called for Jon Flanagan to be given an instant first-team recall.

Anfield legend Carragher was hugely critical of both Alberto Moreno and Simon Mignolet following the Reds' Capital One Cup final defeat to Manchester City at Wembley.

Mignolet, despite making a clutch of important saves, was badly at fault for Fernandinho's goal for City while Moreno, who was caught out in the build-up to the strike, was poor throughout and replaced during the second half.

And Carragher, summarising for Sky Sports, believes the Spaniard should be immediately dropped in place of fit-again Flanagan – and then shipped out, along with Mignolet, at the end of the season.

“The left-back has to come out of the team,” said the former Reds defender. “This is not a one-off today in terms of the goal.

“(Jon) Flanagan has come back fit and has to go into the team in midweek, he (Klopp) has to change the left-back.

“Flanagan played left-back when they nearly won the league. He can't be worse than him (Moreno).

“The goalkeeper has made some outstanding saves today, but just because you make some outstanding saves doesn't mean you should be allowed to concede a goal like that. And that is not just today.

“Going forward for Liverpool, those are two areas Jurgen Klopp has to change in the summer.

“The goalkeeper may have signed a five-year deal, and he has made some good saves today, but things have to change.”

Assessing City's goal, Carragher added: “It starts with the left-back Moreno. He splits initially from a goal kick, but now he knows isn't going to receive the ball he has to get back.

“Sergio Aguero is in the right position to pick up the ball because his opposite full-back has gone in to go for a header. And then he (Moreno) doesn't see the run.

“But that (the goalkeeper) is shocking. You can't score from there.”

Although Philippe Coutinho netted a late equaliser to take the game to extra time, he was among three Liverpool players to fail in the decisive shoot-out.

And Carragher believes the forthcoming Europa League round of 16 tie against Manchester United has become “a cup final” for the Reds, with Klopp now aware of the size of the task he faces to drag the Anfield side even close to competing for major honours.

“Klopp will realise there is a lot of work to do in terms of turning it around,” he said.

“To take City to penalties he should be proud of the players. They never left anything out on the pitch. In extra time they looked the team who were going to win.

“But there's a big problem with where they are in terms of the Premier League. What can they win? “Liverpool are a big club and are nowhere near winning the Premier League. They are nowhere near winning the Champions League.

“Are Liverpool good enough to win the Europa League? Probably not. There are a lot of good teams left.

“Now the game against Manchester United in the Europa League, that's the big game. The season is resting on it.

“It's almost like a cup final now. There's no doubt it's been a disappointing season and there is lots for Klopp to do.”