"The ankle is what we probably expected," said Klopp.
"One of the ligaments on the outside is damaged and we have to see how quickly we can fix that. It can take a while or it can be quicker, we will see."
Klopp said: "Only real thing I can say is the way to Qatar was difficult sleeping-wise.
"Way back was normal, Day off yesterday, the boys slept as much as they could. We needed days to get used to [Qatar] but now we are back and it is all good."
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