Klopp challenges ailing Liverpool stars to show they are world class

Jurgen Klopp believes the drop-off in form from his Liverpool stars since their rousing win over Manchester City undermines their claims to be world-class performers. Liverpool dished out a first Premier League defeat of the season to Pep Guardiola’s Premier League leaders in a thrilling and relentless display. But that 4-3 triumph has been followed […]