ARod makes opening for AGonz?

Bully for the Yankees on landing A Rod. All I care about is what this means for the Cubs. Texas now needs a shortstop. The Cubs have one that can't hit and killed the team in the field at the most important moment since 1945. What I want to know is how can the Cubs unload AGonz on Texas, and who the Cubs can get back in return. Do they have a leadoff-type CF who can sub for / replace Patterson? What do the Cubs need to throw in to sweeten the deal in terms of minor league pitching?

AGonz and Osprey Boy (Ryu) for a hot prospect? Dunno. I don't know the Rangers system at all.

Anyone?