For 45 minutes on Tuesday, it looked as though Liverpool's quadruple bid was going up in the most emphatic of flames.

Their 2-0 lead from the first leg of their Champions League semi-final was ruthlessly picked apart by Villarreal, who restored parity with goals from Boulaye Dia and, remarkably, Francis Coquelin in a dominant first half.

Statistically, it was the worst half of football Liverpool have played this season. There were no shots on target and their 66% passing accuracy was the lowest they had managed in any first half this campaign.

They were absolutely battered and deserved whatever hairdryer treatment manager Jurgen Klopp opted to give out. Not only were their quadruple hopes in the balance, but they were being embarrassed by the very side they had thumped just a week earlier.