I disagree on the talent portion. There have been many talent evaulators who have seen Olivera play that think he can be an impact bat. And since all we hear about his how much more rare hitting is I think that puts talent in the corner of the Braves here.
2 is better than 1. I think the pure talent level of Wood and Olivera is negligible at best, especially considering that we've never seen Olivera play. A good major league #2 starter has a ton of talent. I don't know how anyone could say Olivera is definitely more talented. Include Peraza, and there's no way.