Forlon may actually be possible, but he's a little old to fit FSG's pre-reqs. Modric is going to real or barca, and it would be nigh impossible to convince Cavanni to come here.
Forlan is possible, however with his reputation his wage demands are going to be high. Modric and Cavani wants to join clubs that are in the champions league and competing for major honours, so it is highly improbable they will be joining us. Welovethekop is just a wind up