Mohamed Salah, Sadio Mane and Marko Grujic reported for pre-season training at Melwood on Friday morning

The trio, who were afforded additional time off following their participation at the World Cup, returned to Liverpool's training ground for physical testing before joining their teammates on the Reds' tour of the United States.

Jürgen Klopp and his players will fly out to America on Saturday for International Champions Cup matches against Borussia Dortmund, Manchester City and Manchester United. 

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