But like so many times under our new Dutch coach, the reds exploded into life in the second half.
Luis Diaz scored a sensational hat-trick as he seems determind to get his place back in the regular starting XI. Cody Gakpo added another goal to his excellent season as he also more than fills in for the injured Diogo Jota.
Diaz' opener was arrived on the hour mark after a great pass from Curtis Jones. VAR made Cody Gakpo wait for the second after he was initially adjudged offside when he put away Salah's cross. He wasn't offside and his post-VAR celebration was a big one - I think he knew he had put the game beyond the German side.
With less than ten minutes left, Diaz added his second and then he completed the hat-trick in injury time as he reacted quickest to a Darwin Nunez shot that had been blocked in the area.
Video Highlights: Liverpool 4-0 Leverkusen
Luis Diaz scores a hat-trick as Liverpool beat Leverkusen
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