Bayern Munich have completed their fourth summer signing with Germany international Marcell Jansen arriving at the Allianz Arena from Borussia Monchengladbach.

The deposed Bundesliga champions have promised to invest heavily over the summer after failing to even qualify for next season´s Champions League.

And after already clinching the signatures of Hamit Altintop from Schalke, Jose Ernesto Sosa from Estudiantes de la Plata and Aachen´s Jan Schlaudraff, Jansen is the latest but not the final piece in the puzzle.

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