Groundballs find their way into gloves a lot. That's why a guy like Jake Westbrook can start almost 300 games in the big leagues with a K/9 under 5.
We'll see what happens with Zeuch, but you just don't see many starters putting up groundball rates over 60 in the minors. It's an overlooked and valuable skill, even moreso in the launch angle revolution. It's clear that the FO sees something in him. Atkins brings up his name all of the time.