1. FSV Mainz 05 edged past struggling 1. FC Heidenheim 1846 with a narrow 2-1 victory in the Bundesliga. Mainz forward Jean-Philippe Mateta opened the scoring in the 24th minute, which was later equalized by Heidenheim's Pascal Schettgen. A late substitute, French midfielder Gaëtan Karsten, sealed the win for Mainz with his debut goal. The result leaves Mainz ninth in the standings, while Heidenheim remains rooted to the bottom.