I believe that Corbin, who is from New York, is going to be a free agent. Why would the Yankees trade for him? Their plan is to just sign him.
And Greinke is not worth what he is being paid. He came here, vs. staying in L.A. or going to San Fran, only because he wanted to be the ace.
Especially with a few years having gone by, he is certainly not more now than he was then -- a #2 on a contending team.
And, with Greinke's personality disorder, he is not a good candidate to be on the East Coast. Randy Johnson can tell you that.
Fans on the West Coast and Phoenix are a lot more laid back.