Santiago Ascacibar will be unable to play for Stuttgart again in the regular Bundesliga season after being banned for a spitting incident.
Julian Brandt and Kai Havertz are key to Bayer Leverkusen and Jonathan Tah would like them to stay at the club despite transfer links.
Peter Bosz suffered defeat on his return to Borussia Dortmund, as BVB finished 3-2 victors against Bayer Leverkusen at Signal Iduna Park.
Marco Reus and Lukasz Piszczek have not recovered from injury in time to face Bayer Leverkusen on Sunday.
The last 16 of the Champions League sees three ties between Premier League and Bundesliga clubs, including Liverpool v Bayern Munich.
Werder Bremen captain Max Kruse scored the decisive penalty to book a place in the DFB-Pokal last eight at Borussia Dortmund's expense.
Bundesliga club Bayer Leverkusen mocked the low-scoring Super Bowl LIII on Twitter.
Bayern Munich would have had no trouble seeing off Bayer Leverkusen had Robert Lewandowski's goal been allowed to stand, said Niko Kovac.
Bayer Leverkusen star Leon Bailey felt he out-thought Bayern Munich goalkeeper Sven Ulreich with his brilliant free-kick on Saturday.
Bayern Munich led through Leon Goretzka, but second-half goals from Leon Bailey, Kevin Volland and Lucas Alario gave Bayer Leverkusen a win.