I don't see why we need a DM:
Randell has been doing OK there and his long passing is such that he's ideal in a quarter-back type of position. Houghton has come back into the team and in my opinion done really well. Hopefully Joe Edwards will be fit soon and that's where he started his career. We have Gyabi (I presume).
If you ask me, we need another AM. Neither Al Hajj nor Baidoo are tearing up trees there.