Liverpool head coach Jurgen Klopp has admitted that Fabinho is set to miss some time after hobbling off in Tuesday's Champions League clash with Midtjylland.
The Brazilian was forced out with an apparent hamstring injury after just under half an hour and was replaced by Rhys Williams.
Second-half goals from Diogo Jota and Mohamed Salah would give the Reds a 2-0 win on the night but it could prove to be a costly victory for Klopp's men.
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With Virgil van Dijk out long term, Fabinho has been filling in at centre-back but Liverpool's depth in defence will now be severely tested with the former Monaco man also set to miss time.