Borussia Moenchengladbach ensured they will remain in Germany's top flight next season when Haris Tabakovic scored with two minutes remaining to beat Borussia Dortmund on Sunday, while Mainz pushed St Pauli closer to relegation. Earlier on Sunday, goals from Phillip Tietz and Phillipp Mwene took Mainz to a 2-1 win at St Pauli, securing their top-flight status next season while pushing the hosts closer to relegation.