What Minnesota Vikings should prioritize in NFL free agency?

What should the Minnesota Vikings address when NFL free agency opens in the coming days? Will they prioritize offensive line or cornerback!; Latest mock draft from Todd McShay; Kirk Cousins current contract situation and are there more doors or windows? See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .