Mark Flekken

① Leverkusen's home form should yield a clean-sheet and win.

② Mainz will try to frustrate but struggle to score.

③ Expect a controlled performance with the hosts sealing the result.

① Leverkusen enjoy home advantage and a stronger Bundesliga profile.

② Olympiacos can threaten on the break but are likely to concede twice.

③ Expect an open game with chances for both sides and a late Leverkusen goal.