I bet that the BVB will be more successful in the new saison. It's not the new trainer Tuchel alone (he is not better than Klopp). It's the new althletic trainer Rainer Schrey which can be the key factor. The way he works is exactly the way I would do it too + much swimming.
I found out that he has written a
book. I recommend it for all amateurs and young players.