Wolfsburg are considering their legal options after their expulsion from the German Cup was confirmed.
Chelsea are showing great interest in Wolfsburg defender Maxence Lacroix, according to Sky Germany.
Real Madrid moved to the top of La Liga, level on points with rivals Atletico, after they won 3-0 at Cadiz, where Karim Benzema scored twice.
Chelsea stormed into the Women's Champions League semi-finals after an emphatic 5-1 aggregate success over last season's runners-up Wolfsburg.
Karim Benzema's fine run of form continued with a double as Real Madrid won at Celta Vigo to move up to second place in La Liga.
Bayern Munich beat Werder Bremen 3-1 with Robert Lewandowski climbing to second in the Bundesliga's all-time scorers list, as Real Madrid defeated Elche 2-1.
Leon Goretzka and Robert Lewandowski scored late on to keep Bayern Munich top of the Bundesliga with 4-2 comeback win over Borussia Dortmund in Der Klassiker.
Ousmane Dembele and Lionel Messi fired Barcelona to a confidence-boosting 2-0 win at in-form Sevilla on Saturday to keep the pressure on Atletico Madrid.
Bayer Leverkusen secured a 2-1 win over Borussia Dortmund, while Sevilla moved up to fourth in La Liga.
Goals from Romelu Lukaku and former Tottenham midfielder Christian Eriksen saw Inter Milan through to the Europa League quarter-finals with a 2-0 win against Getafe.
Timo Werner scored twice on his RB Leipzig farewell ahead of his move to Chelsea, while Borussia Dortmund were thrashed on the league's final day.
Wolfsburg ground out a 1-0 win over Barcelona on Tuesday to reach the Women's Champions League final for a fifth time.
Robert Lewandowski became the most prolific foreign goalscorer in Bundesliga history as champions Bayern Munich saw off Freiburg.
Werder Bremen gave themselves a chance of survival with a 5-1 thrashing of relegation rivals Paderborn in the Bundesliga on Saturday.
Wolfsburg boosted their hopes of qualifying for next season's Europa League with a 1-0 victory at relegation-threatened Werder Bremen.
Schalke's winless Bundesliga run was extended to 11 games as they were beaten 1-0 by strugglers Werder Bremen on Saturday.
Marin Pongracic scored his first two Bundesliga goals as Wolfsburg romped to a surprise 4-1 win at Bayer Leverkusen on Tuesday evening.
Borussia Dortmund edged to a nervy 2-0 win against 10-man Wolfsburg in the Bundesliga, with Jadon Sancho having a hand in the second goal.
RB Leipzig's Bundesliga title hopes suffered a blow as visitors Freiburg held them to a 1-1 draw as the German top flight returned to action.
Lionel Messi's late penalty edged Barcelona to a 1-0 victory at home to Real Sociedad to ease the pressure on manager Quique Setien.