As for many other teams, it seems BvB doesn't believe Eriksen has what it takes (yet).
If I have to beleive my Dutch collegues, Eriksen is good enough for the top in Holland, but not (yet) for the top in Europe.
I think that is also the reason he still plays for Ajax, he is too expensive for a mid table team, and not good enough (yet) for the top.
So where does that leave Dortmund for this season as things stand?
Weidenfeller
Piszczek-Subotic-Hummels-Smelzer
Bender-Gundogan
Blasz.--Mkhit.--Reus
Lewandowski
Not bad.
There's a lot of goals potentially in that front four, but I'd be concerned that attack won't be as well balanced without Goetze, having replaced him with someone who's more of a goalscorer than a creator.