Lovren missed last week's defeat to Hull with a swollen knee and has been unable to train this week.
While Lallana has been struggling with a foot problem.
Liverpool training ahead of Tottenham clash
Thu, February 9, 2017
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Both players are key men for Klopp and likely starters if fully fit but ahead of Saturday's match, the German coach was unsure if they will be able to take part in training later today.
He said: "Not 100% sure whether Lovren can train today.
Liverpool defender Dejan Lovren
"Lallana was out for 2 days with little problem with Achilles. We hope he'll train."
If Lovren misses out and Klopp confirmed the Estonian will be tested during training.
He added: "Klavan will be back in full training today so we will see about him."