
Jurgen Klopp warned that Liverpool must remain "on alert" despite putting one foot in the Champions League final with a dominant 2-0 win over Villarreal in the first leg of their semi-final tie at Anfield on Wednesday.
Two goals in two minutes undid Villarreal boss Unai Emery's defensive game plan as Pervis Estupinan deflected Jordan Henderson's cross into his own net before Sadio Mane slotted in a second.