Don't get me wrong, I am not saying that I think that Ynoa deserves a spot in the starting rotation... My point is simply, for a team with so few resources, why would you spend $8M for the same production as someone you already have?
We aren't talking about someone like Guthrie or Miguel Gonzalez who seem to consistently outperform their peripherals. I think you can probably count on one hand the number of guys (there's a Reddit post saying it's NEVER been done) who even came close to repeating that kind of "luck".