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Jurgen Klopp has revealed how Liverpool have been roughing Loris Karius up in training in order to get him accustomed to life in the Premier League.

Goalkeeping coach John Achterberg has been pictured at Melwood vigorously challenging the German shot-stopper for high balls while holding a rugby tackle bag.

It's all part of Liverpool's plan to get Karius used to the physical nature of England's top-flight.

The 23-year-old keeper, who was a £4.7million summer signing from Mainz, has enjoyed a mixed start to life as the club's new No 1 since being preferred to Simon Mignolet last month.

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Klopp said: “John Achterberg usually does it with his hands but it's better to use something else!

“Of course that's important. There are different things you have to do as a coach.

“First, as a keeper you have to learn the technique then you have to adapt to the real circumstances – having six, seven players around you.

“No-one gets out of your way. It is completely the opposite. They want to disturb your way.

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“That wasn't a specific preparation for Crystal Palace. It was specific training for goalkeepers in the Premier League.

“West Brom was the same, it was pretty much the same against Manchester United. That's goalkeeping life. You can't change this.

“You can't say no long balls in the box and if there are then immediately whistle. That's not how it works so we need to prepare the boys and that's what John is doing.”