The Guide: #M05BVB
Cologne - Thomas Tuchel's return to his former haunt tops the pre-match agenda ahead of Borussia Dortmund's trip to 1. FSV Mainz 05 on Friday night (kick-off 20:30 CEST/ 18:30 GMT), but what else is there to look forward to in Matchday 9's opening fixture?
bundesliga.com reveals all...