Liverpool star Emre Can is a major doubt for the Premier League clash against Crystal Palace on Saturday after missing training on Thursday at Melwood.
Can missed both Germany friendly games against Spain and Brazil over the international break despite making the trip.
The midfielder of Turkish origin was forced off with a back problem in the first half against Watford before the break.
The Reds went onto win the game 5-0 at Anfield Stadium.
The powerful midfielder is currently having treatment for the back problem but it is uncertain whether he will make the final squad.
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Can and Joe Gomez, who suffered an ankle injury during duty on England duty were the only major absentees from training and both could miss the game.
The powerful midfielder could end up being a major blow if he is ruled out as he has started
Head coach Jurgen Klopp did have some good news as Andy Robertson returned to training after being forced off playing for Scotland against Hungary with a dead leg.