Why would anybody want Cruz over Hatterberg? His wonderful OF defense? His great contact ability or eye at the plate (.241/.331/.377)? His speed (4/12 on sb - career)?
Cruz is like Jose Macias. He doesn't do anything well, but he won't embarass you and can play a few positions. He's the kind of guy who adds zero value to a roster, but makes managers more comfortable.
In Dunn, Freel, Denorfia, we'll have 3 backup OFs already who are better than Cruz. We don't need another guy who is an average at best corner OF. Hatteberg can give us an adequate bat and glove at 1B while Dunn slides back to LF on the occasion somebody gets hurt or needs a day off -- without needing to take Freel off 2B.
Am I really happy? Of course not. But it improves the club, which is good.