Premier League leader Liverpool was knocked out of the FA Cup by second-tier struggler Plymouth after losing 1-0 in a stunning fourth-round upset on Sunday. It ended any hopes of a quadruple of major trophies for Liverpool,

Liverpool head coach Arne Slot has described his team's shock FA Cup exit at the hands of Plymouth Argyle as "unacceptable."

A much-changed Liverpool were dumped out of the FA Cup by struggling second-tier side Plymouth Argyle, who pulled off a stunning 1-0 fourth round win at Home Park on Sunday that put an end to the visitors' hopes of a quadruple.