Liverpool ignored Pep Guardiola's warning about lower-league opposition, suffering a shocking 1-0 defeat to Plymouth Argyle in the FA Cup fourth round

Championship Plymouth Argyle pulled off the biggest shock of the FA Cup fourth round with a 1-0 victory over Premier League leaders Liverpool at Home Park on Sunday. Ryan Hardie’s 53rd-minute penalty was the difference between the two sides as Liverpool’s hopes of a quadruple this season were abruptly ended.

Arne Slot gave an honest assessment of Liverpool's shock defeat at Plymouth in the FA Cup on Sunday. MORE — Plymouth 1-0 Liverpool: Reaction, highlights, analysis The Dutch coach saw his side lose 1-0 away at the team who currently sit bottom of the Championship,