The 35-year-old striker, who played recently for Hoffenheim, started his professional career at Stuttgart in 2001.
Schalke progressed into the next round after beating Monchengladbach 2-2 (3-3 on aggregate) on away goals in the Europa League.
Douglas Costa’s goal helped Bayern Munich edge Wolfsburg 1-0, while Borussia Monchengladbach cruised 2-0 past Greuther Fuerth in German Cup.
Kyriakos Papadopoulos’ winner helped Hamburg return to winning ways after beating Bayer Leverkusen in 19th round of Bundesliga.
Chelsea boss Antonio Conte is looking to secure a late deal for Schalke’s 23 year old wing back Sead Kolasinac.
Bayern Munich defender Jerome Boatang successfully underwent a surgery, the German giants confirmed in an official statement on Tuesday.
Borussia Dortmund shared the spoils with Augsburg following a 1-1 draw, meanwhile Eintracht Frankfurt went third after a victory over Mainz.
Bayern Munich and Rafinha have agreed on a contract extension, the German record champions confirmed in an official statement on Friday.
Ten-man Borussia Dortmund secured a 2-2 draw at Hoffenheim as Pierre-Emerick Aubameyang provided the equalizer.
Already eliminated from this season’s Europa League, Nice beat their opponents Krasnodar 2-1 to close out their campaign on a positive note.
Leipzig extended their eight-game winning streak after edging Schalke 2-1 meanwhile Dortmund came from behind to beat Monchengladbach 4-1.
Hertha Berlin came from behind to beat Mainz 2-1 after Vedad Ibisevic provided a brace and Schalke bounced back to edge Darmstadt 3-1.