Curtis Jones goes down injured before going off for Liverpool in the defeat at Brentford(Image: Catherine Ivill - AMA/Getty Images)

Liverpool are sweating on the fitness of Curtis Jones after the midfielder became the latest injury concern for Arne Slot. Jones was substituted for teenager Rio Ngumoha 20 minutes from time during the Reds’ dismal 3-2 Premier League defeat at Brentford on Saturday evening.

The midfielder, who had been one of very few Liverpool players to approach anywhere near their normal level of performance, sat on the turf before being asked to be substituted.

And Reds boss Slot explained: “Curtis, we have to wait and see. He asked to be taken off but he walked off instead of needing treatment.

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“It’s a lot of games and there’s another one in four days.”

Jones will now be regarded as a doubt for the League Cup visit of Crystal Palace on Wednesday, the fourth in a run of seven pivotal games in 22 days for Liverpool.

Slot was without midfielder Ryan Gravenberch and striker Alexander Isak...