He's averaging less than 1 fWAR per season for the last 2.5 seasons. I'm not sure he *is* worth that much anymore. you might be right, and that's very sad, but if you are, then it isn't worth trading him for what he's worth, either. OK, let's say just for the sake of argument that the Cubs' front office has come to the conclusion that Castro projects to be a one-win-per-year player going forward. What should they do?