Liverpool defender Virgil van Dijk’s knee injury is “not good”, says the champions’ manager Jurgen Klopp.
Van Dijk was hurt in a rash challenge by Everton keeper Jordan Pickford in the first half of Saturday’s 2-2 draw.
The Netherlands defender, 29, could not continue and will see a specialist on Sunday to discover the extent of the injury.
“Virgil played I don’t know how many games in a row, he plays with pain, but he couldn’t play on,” said Klopp.
“That’s not good.”
Liverpool’s claims for a penalty from the incident were turned down as Van Dijk was ruled to be offside before England number one Pickford clattered into him.
“It was a clear penalty I saw and then we saw the flag went up. I thought they would still look at the foul but that didn’t happen,” said Klopp.
“I don’t want to say Jordan Pickford wanted to do it but it is not a challenge a goalie can do in the box.”
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New Liverpool signing Thiago, who was starting his first Premier League game, was injured when he was fouled by Richarlison late on, with the Toffees forward sent off as a result.
Klopp added: “When I leave the pitch, Thiago tells me that in the Richarlison red card situation, he thinks he got injured.”
Thiago went for a scan along with Van Dijk and, while the club are hopeful his injury is not serious, they will see how it settles.
Everton’s Brazilian said he had sent a message of apology to the Liverpool midfielder, and insisted the collision was an accident.
“I did not intend to hurt Thiago,” he wrote in a tweet, adding that he lifted his foot out of the way when he realised there was going to be impact.
“I also apologise to my team-mates, my club and my fans for leaving them with one less player at the end of the game. Unfortunately, there is nothing I can do to change what happened, other than to reflect, work and move on.”