Liverpool's biggest issue ruthlessly exposed at Newcastle. How can Iraola fix it?

Liverpool struggled massively to defend counter attacks last season and they've done absolutely nothing to resolve that huge problem this summer.If anything, the appointment of Andoni Iraola as their new manager has made it an even bigger issue.Their dramatic 2-2 draw at Newcastle United on the opening weekend of the Premier League season ruthlessly exposed the biggest problem Iraola has to solve in the opening months of his Anfield reign.How can Liverpool defend counter attacks better?Or perhap