Reigning champions Bayer Leverkusen eased past struggling Holstein Kiel 2-0 with a goal and an assist from Amine Adli in the Bundesliga on Saturday to close the gap on leaders Bayern Munich to five points.

Bayer Leverkusen tightened their grip on second place in the Bundesliga as they cruised to a 2-0 victory at struggling Holstein Kiel on Saturday while Serhou Guirassy hit four goals as "euphoric" Borussia Dortmund routed Union Berlin 6-0.

After a dramatic end to Bayern Munich’s play-off tie against Celtic in midweek, the team’s Round of 16 opponents and consequent path to the final have been decided following a nerve-wracking draw that promises fans some blockbuster clashes.