Mario Gomez will stay at Wolfsburg following their escape from Bundesliga relegation after relegation play-off win.
AC Milan have continued their summer spending with the signing of Switzerland international Ricardo Rodriguez on a four-year deal.
Wolfsburg guaranteed their Bundesliga survival with a 2-0 aggregate win over Eintracht Braunschweig on Sunday.
Mario Gomez's penalty gave Wolfsburg a slender advantage in the first leg of their Bundesliga play-off with Eintracht Braunschweig.
Luca Waldschmidt's late winner condemned Wolfsburg to Bundesliga's relegation play-off as Hamburg survived on the final day.
Arjen Robben scored deep into stoppage time as Bundesliga champions Bayern Munich twice battled back to clinch a spectacular 5-4 victory over RB Leipzig.
Juan Bernat's early goal was enough to give champions Bayern Munich a 1-0 victory over Darmstadt and send the visitors down.
Borussia Dortmund ended a difficult week with a 3-1 win over Eintracht Frankfurt while Bayern Munich were held by Bayer Leverkusen.
Robert Lewandowski netted twice in Bayern Munich's 4-1 thrashing of Borussia Dortmund on Saturday.
Laszlo Benes' first Bundesliga goal gave Borussia Monchengladbach a 1-0 home victory against Hertha Berlin.
Mario Gomez scored a hat-trick as Wolfsburg drew 3-3 with Bayer Leverkusen on Sunday, as Ingolstadt saw off Mainz.
RB Leipzig missed the opportunity to close the gap on Bundesliga leaders Bayern Munich after suffering a 3-0 defeat at Werder Bremen.
Robert Lewandowski scored twice to help Bayern Munich beat Eintracht Frankfurt 3-0 on Saturday.
Bundesliga leaders Bayern Munich moved seven points clear at the top with a 3-0 victory at Cologne.
Arsenal's academy boss Andries Jonker has left the club to become Wolfsburg's new head coach.
Serge Gnabry scored twice as Werder Bremen climbed out of the relegation play-off spot with a 2-1 Bundesliga win at Wolfsburg.
Robert Lewandowski's added-time goal earned Bayern Munich a 1-1 draw at Hertha Berlin on Saturday.
Hoffenheim stumbled to a 2-1 defeat at Wolfsburg on Sunday as all six clubs chasing Bayern lost over the weekend.
Bundesliga leaders Bayern Munich saw their winning run come to an end as Schalke battled to a 1-1 draw at the Allianz Arena.
Everton have signed Germany U20 forward Anton Donkor on loan from Wolfsburg until the end of the season.