The home side created all the first-half chances, with Volland shooting over in the seventh minute and Havertz bringing a low save out of Ron-Robert Zieler five minutes later, before Tin Jedvaj fired over following good work by Havertz.

Mario Gomez threatened for the visitors five minutes into the second half, with a powerful left foot shot saved by Leverkusen goalkeeper Lukas Hradecky.

Volland shot over an empty net from six yards just before the hour – but he got it right when found by Havertz, and then rounded off the win after a pass from substitute Lucas Alario – who also had a stoppage-time goal ruled out.

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