7. Torsten Frings
Those who watched the Bundesliga in the 00s may remember the name Torsten Frings as he represented a few German clubs. He was one of the players who played for Dortmund and Bayern Munich. Frings made the switch from Dortmund to Bayern Munich in 2004, but in truth, he is mostly adored by Werder Bremen fans as he is a club legend there.
8. Markus Feulner
Next up in this list of players who played for Dortmund and Bayern Munich is midfielder Markus Feulner. Although, he will be the first to admit, loyalty to one club wasn't what we was known for, as he had stints with nine different German teams during his career. A journeyman, we'll call him - Anyway, he only had a collective 28 leage appearances for the Bayern Munich first team and Dortmund.
9. Robert Kovac
Mostly known for his days with Bayern Munich where he won two Bundesliga titles, Dortmund fans may find it difficult to remember Robert Kovac. The former centre-back played for both Bundesliga teams, but showed his true allegiances when he came back to Bayern Munich as assistant manager.
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