Mets Castillo being discussed in 3 team deal

According to Ken Rosenthal, he is reporting that the Mets are discussing the basic idea of a three team deal to send Castillo out and essentially bring in Lyle Overbay.  Milton Bradley would also be in the deal.  The idea behind such a trade would be that Overbay could platoon with either Daniel Murphy or Nick Evans as part of a strong duo.  This is certainly very early in the framework, but it is a lead in as to what the team is thinking.  Clearly, get Castillo out and most likely bring in the long wanted, Orlando Hudson