Neither Clemens nor Wilson are really viewed as OFs. And there's no room for a RHB on the bench with Merrifield and Sosa taking two spots (or Pache if Rojas doesn't make it and you call Merrifield a starter). Wilson's best position still 3B and you've got Bohm, Sosa and possibly Merrifield there too.
I'd give Clemens a shot over Cave if he could play LF, and they wanted to play him instead of Bohm once a week.
But, mostly I still think none of these stats mean a thing. I think Clemens was very good last spring too, and we know Cave and Darrick Hall were as well.
I don't think Law knows anything but if they did do that, there is really no downside to making Pache the starting CF and playing him every day. He will play good enough defense to make up for a poor bat just the same as Rojas,considering you'd also get better defense in LF from Marsh too. And if he fails then you let him go, but you've found out. If they let him go next week, it will be another team that finds out.