Can Kyle Hergel fill the hole at OG?

I'm curious to how this unit shapes out, if the current guys Saldievi (sp?) Penning and Young are factored in as viable starting candidates.
50%+ of Penning, Ruiz, and Salvideri’s snaps in college were in zone blocking, per PFF. Ruiz’s size/skill set actually seems like a better fit for zone blocking, IMO.