Purple Daily: How much impact does free agency have?

*Myron Medcalf on why we shouldn't treat NFL Free Agency like the NBA *Myron & Manny debate: Should the Vikings still try to add more to help cousins, or just expect him to play better? *Can one free agent signing really make the difference? See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .