Liverpool fear Naby Keita has suffered a hamstring problem to leave Jurgen Klopp facing a midfield injury crisis.
Keita pulled up during the first half of the 2-2 Premier League draw at home to Brighton and Hove Albion on Saturday afternoon.
After treatment on the field, he was replaced by substitute Alex Oxlade-Chamberlain after only 20 minutes.
Keita had been a doubt for the game having sustained heavy bruising when on the receiving end of a red-card challenge from Manchester United’s Paul Pogba last weekend.
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Now Liverpool will await the result of scans amid fears the Guinea international could have an extended spell on the sidelines.
“He showed me the hamstring, and they’ve told me it’s the hamstring,” said Reds boss Klopp.
“But I can’t say more.”
Liverpool were already without injured midfielders Fabinho, James Milner and Harvey Elliott at the weekend, while Thiago Alcantara was deemed not ready to feature having only returned to training on Thursday after almost six weeks out with a calf complaint.
It meant Jordan Henderson, Curtis Jones and Oxlade-Chamberlain were the only fit midfielders for the Reds, with 18-year-old Tyler Morton on the bench against Brighton.