Stoke have signed defender Philipp Wollscheid on a permanent deal following his successful loan spell with the club.
Bayer Leverkusen manager Roger Schmidt has signed a three-year contract extension until 2019.
Bayer Leverkusen all but ended Hoffenheim's hopes of qualifying for Europe next season with a 2-0 win at the BayArena.
Borussia Monchengladbach can start to plan for Champions League football after they beat Bayer Leverkusen 3-0.
Schalke ended a six-game winless run as Wolfsburg slipped to defeat, plus all the latest from the Bundesliga.
Bayer Leverkusen moved up to third in the Bundesliga thanks to a 2-0 win over Bayern Munich.