Liverpool reached the fifth round of the FA Cup for only the second time in seven seasons as they saw off a weakened but spirited Cardiff City.
The much-changed visitors, 20th in the Championship, dug in to frustrate Jurgen Klopp’s men during a goalless first half in which they had an appeal for a penalty rejected after Mark Harris fell under a challenge from Ibrahima Konate.
Liverpool eventually made their domination count in the second half as Diogo Jota headed in from Trent Alexander-Arnold’s free-kick.
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