Andy Walker thinks Liverpool manager Jurgen Klopp needs a few January signings
The Reds have only beaten League Two Plymouth in their last six fixtures in all competitions, and Walker believes the absence of Joel Matip paired with a struggling defence is responsible.
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I think Liverpool need to strengthen in a number of positions
Former Celtic striker, Andy Walker
Walker, who made over 150 appearances for Celtic, told Sky Sports News: "The one problem that seems to be the focal point for Jurgen Klopp is the centre of defence.
"If they can get Matip back fit, it gives them a lift, even in the dressing room.
"If they can get him back, they can deny the sloppy goals they have been giving away of late.
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"Fernando Llorente scored the type of goal against Liverpool that Diego Costa would score – really aggressive in the air.
"I think that's where Liverpool's weak-link is. They've got Ragnar Klavan and Dejan Lovren, and they're not attacking the ball.
"James Milner has been really good as a full-back but I think they could do with a natural left-sided left-back.
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"I think Liverpool need to strengthen in a number of positions. They need a goalkeeper, and certainly another signing in central defence.
"If you're continually conceding chances and leaking goals then that seeps through the whole team… which is a big problem."