José Luis AyalaIt's sad to think that one of the best world in the world might be leaving this squad, such as Gotze. I hope more players don't leave. I know Gundogan, Hummels and Lewandowski are all targets of big clubs. In my opinion, all these players should stay and try to reach the UCL Final again. BVB should find a good Center Attacking Midfielder, such as Eriksen. He might be a great replacement for Gotze.
OnceABlueI don't know if Dortmund bounces back after this transfer window. They seem to lose their best players every year, but still manage to stay in contention.