The Reds progressed to the Capital One Cup fourth round after eventually seeing off the Cumbrians on spot-kicks following a 1-1 draw in 90 minutes and extra time.
The scare at the hands of Keith Curle side came on the back of a poor run of form, with poor form and a winless run of four Premier League games putting Brendan Rodgers under intense pressure.
But Skrtel believes #Liverpool showed their nerve to eventually beat a Carlisle side 61 places below them in the Football League.Skrtel revealed Liverpool had been practising penalties ahead of the Carlisle clash and the Slovakian defender says he was not surprised to see keeper Adam Bogdan make three saves in the shoot-out.
