Just realized that you have Cabrera. In that case, I agree, you cannot give him up. He is a top ten fantasy player who will compete for the triple crown.

Cabrera is better than Morneau, plus he can play 3rd base which you need because you have Arod out. Schumaker has no fantasy value because he is behind Ankiel in the depth chart, who isn't even starting. Cruz could be a wild card, I would watch to see what he does in spring training. Cordero is a proven closer, while Gonzalez is getting his 1st chance, but he does play in a pitcher's ballpark. So to answer your question, yes, I would do it. Cabrera's eligibilty at 3rd base is the difference here.