I've suggested that a move to Sunderland for both Crouch and Defoe sounded likely for a while and I don't think that any move would have to include Gyan.
It would probably cost you about £20m, though.
The problem that the pair of them have at WHL now is not really down to ability, as both showed that they had that when we finished 4th with them as our main striker partnership.
The main reason that at least one of them will be shipped out is that neither is capable of playing the lone striker role well and it's essential when we play with van der Vaart in our line-up.
Someone has to hold the ball up and trouble an entire defence on his own, as the Dutchman often wanders the pitch and goes looking for the ball, leaving the striker isolated.
Defoe's season was damaged by the injury that he picked up on England duty at the start, when he was already carrying one.
He never got his confidence back and had very limited runs in the side, despite scoring some good goals near the end.
If you could get them both, keep Gyan and either hope that Campbell has more luck with injuries or that your new Korean settles quickly, then you'd have a good array of talent up front for the season.
A couple of extra additions (Larsson and replace Ferdinand?) and you'd definitely be pushing for a top half finish again and possibly Europe.