Leicester are in discussions to sign Hannover 96 goalkeeper Ron-Robert Zieler, according to Sky sources.
Stuttgart were relegated from the Bundesliga for the first time in 41 years after being beaten 3-1 by Wolfsburg on Saturday.
Hanover 96 player Niklas Feierabend has been killed in a car crash, the club has confirmed.
Bayern Munich were held 1-1 at home by Borussia Moenchengladbach on Saturday as Borussia Dortmund kept the Bundesliga title race alive.
Bayern Munich beat Hertha Berlin 2-0 to move a step closer towards the Bundesliga title, while Borussia Dortmund defeated Stuttgart 3-0.
Bayern Munich are 10 points clear after Robert Lewandowski scored twice in his side's 3-0 win over Schalke on Saturday.