We have 3 out of the 40 pitchers with > 10 PAs and positive batting WAR. Strasburg leads at 0.5, Jackson is top 15 or so at 0.2, and JZ is positive at 0.1. Gorzo is positive but has only 3 PAs.
While JZ is not stellar on batting WAR, he has the 5th lowest k% of all pitchers with > 10 PAs (15.8%).