Gonzalez is easy. He just sucks.
This could be a transition year for Zavala after getting traded. He's still really young but he has to show some progress next year.
Montgomery is a tough one. People absolutely got out over their skis after he dominated the lower minors. He's taking his lumps right now and that's sometimes a good thing. I think he'll come out of it a better player but I don't think he's going to be the superstar that some had tagged him to be.