Bayer Leverkusen continue Bundesliga domination with win at Heidenheim

Xabi Alonso's title-chasers have now won seven of their last eight matches, with Jeremie Frimpong and Amine Adli on target this time. 

Tim Kleindienst set up some late tension with an 87th-minute reply but the hosts could not force a second.

Third-placed Stuttgart fought for a 2-1 win at bottom club Darmstadt despite Pascal Stenzel's red card at the end of the first half. 

They now sit five points above Borussia Dortmund, with the latter held 1-1 at Wolfsburg after substitute Yannick Gerhardt responded to Niclas Fullkrug's early effort.

RB Leipzig won 2-0 against Borussia Monchengladbach, Union Berlin scored the only goal away to Hoffenheim and strugglers Mainz recorded a 1-0 win over Augsburg.

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