Current projections by their draft expert have Slovis going in the 7th, but Scott Dochterman writes (in summary, several more paragraphs in the article)

That’s not to say Slovis is going to wind up like Purdy, but he has talent, toughness and experience. It’s not inconceivable that a team could draft him late and within a year or two, he winds up as a starter. Slovis is due for a little luck. — Scott Dochterman