The Reds faced off with Brighton at the Amex in the 4th round of the competition.
Liverpool had recently lost 3-0 to the Seagulls in the league so a tough test was expected.
Jurgen Klopp’s side did take the lead on the day through Harvey Elliott, but a deflected Lewis Dunk strike and a late goal from Kaoru Mitoma meant Liverpool crashed out of another cup competition.
The Champions League, where Real Madrid await, is now Liverpool’s only chance at silverware this season.
And following the Brighton game, Klopp was not happy with some of his player’s body language:
“This is really a way you can get knocked out of a cup competition,” he said. “If we are in a better situation, 10 points more in the league or something like this, and then you lose at Brighton then you say ‘respect’, because what they do is really good.
“But we are obviously in a situation where we want to make the final step. That’s why it feels now especially bad in this moment, because it didn’t happen. We made a step in the right direction but you can imagine nobody want to hear that any more, I cannot hear it any more. But it’s still right. Then we go from there.
“We have to build on these kind of things. We have to improve and the body language from a couple of the boys has to be much better.”
Asked to elaborate on his point, Klopp said: “What else is there to say? When I speak about body language today, it wasn’t okay, next time it should be better.”