Rainer Widmayer was appointed caretaker of the Berlin club after this  German football player was fired and became manager of what?
Rainer Widmayer:  After Markus Babbel was sacked as manager of Hertha BSC, Widmayer was appointed caretaker of the Berlin club. Markus Babbel: Markus Babbel (] ; born 8 September 1972) is a former international German football player and coach who is the manager of FC Luzern.
i don't know