Well ... I'm not here to say this or that as I don't know the inside workings of our club. Though I doubt you do either.
However, transfer dealings are always a risky business when we never truly know what the motivations of a player and his manager are. Impossible to know really.
At the end of the day, we'd be a bigger fool not to go after JAC and try to tie him down to a deal. If we don't find out anything in the next week or so then we move on, and no harm is done.
Gotta get into the water to get the big fish my friend. Some times you don't catch what you're looking for, but ...