Hannover and Stuttgart are now favourites for an instant return to the Bundesliga after second placed TSV Eintracht Braunschweig lost 6-0.
Bayer Leverkusen are not extending manager Tayfun Korkut's contract beyond the end of the season, after he took over for Roger Schmidt in March.
Arjen Robben scored deep into stoppage time as Bundesliga champions Bayern Munich rallied to beat RB Leipzig 5-4.
Arjen Robben's stoppage-time heroics, along with Robert Lewandowski's two goals, capped an improbable comeback for Bayern Munich against Leipzig.
Red Bull Salzburg clinched a fourth straight Austrian title -- meaning UEFA need to decide on whether RB Leipzig can compete in the Champions League.
Dortmund still control their own destiny for third place, but must do it without midfielder Julian Weigl, who broke his ankle at Augsburg.