That's what I see, too, plus Vierling has crushed it at times in the minors without a high BABIP, including last year in a short stint at AAA. Plus he had much better BIP luck against LHP (.337) vs RHP (.260). Flatten those out to league BABIP average of .291 and the numbers come a lot closer to each other (.241/.297/.335 vs. RHP, .254/.296/.377 vs LHP). Neither of those are fantastic, but he is still only 26 so probably a bit of room to grow.
He was the guy I liked best from the trade, so I would love to see him prove out.