I think it's Westburg, but it could be Stowers. I like Stowers a lot and I'll bet he's #8, but Westburg is a potential SS who can hit and Stowers has a red flag or two.
I'm not even tempted by the other options. Baumann had a pretty bad season, and both he and Bradish are likely relievers in MLB from what I heard. Vavra missed too much time to be this high