Think it's clear, so far, that this season will not be a season where we spend big on transfers or wages. It will be an interesting few weeks seeing who we bring in.
Out of that 19 you mention I think we need players in the following areas.
1 goalkeeper assuming Walton isn't good enough at present to make the step up. I've never seen him play so cannot comment.
2 at least 1 centre back - going to be extremely hard to replace upson IMO. Greer, dunk and maxi...