Purple Daily: What if the right O-lineman isn't there at 18?

*What do the Vikings do if there are no 1st round offensive linemen available at 18? *Which O-lineman in the draft schematically fits the best for the Vikings? *What other teams could be in the mix for taking offensive linemen before the Vikings pick? See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .