Jordan Henderson will be sidelined by injury for three weeks.

The Liverpool captained a hamstring injury in Liverpool’s loss to Atletico Madrid in the UEFA Champions League first leg at the Wanda Metroplitano.

 “Hendo, it could have been worse. How we all know, it was a hamstring,” said the manager.

“We heard of different hamstring injuries now around in the Premier League – Harry Kane, for example. It’s not that bad.

“But he will be out, I think, for three weeks or so, which is not cool. But how we see it, we were still lucky. That’s it.”

Henderson will miss West Ham’s trip to Anfield and Watford Premier league game at the Vicarage Road. Other games include Chelsea’s visit in the FA cup fifth round and the Reds game with Bournemouth on home grounds before hosting Atletico in that crunchy second leg knock stage of the Champions League.

With no fresh injury concerns, Klopp will have to effect a change to fill the vacuum left by his workaholic midfielder.

“Changes, I could, because apart from Hendo all the other boys are fit,” added the boss.

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“But Tuesday-Monday [between games], there is absolutely no need to do it. That’s enough time, longer than we usually have. We will see who will start, maybe we will make more changes – but not because of the Atletico game.”

Asked about the skipper’s absence representing an opportunity for other midfielders, Klopp said: “Hopefully nothing else happens, to be honest.

“Hendo is exceptionally important, not only football-wise but for some other reasons as well which hopefully everybody knows. But we still have options there and that’s good.

“Yes, it’s a chance of course, a chance for all of them. But there would have been a chance anyway, Hendo wouldn’t have played all the games from now until the end of the season.

“It’s a position where we can react so we will react.”