Is Minnesota Vikings rookie QB JJ McCarthy checking the right boxes?

Do Minnesota Vikings fans need to pump the breaks on QB JJ McCarthy; What are the boxes that McCarthy is checking to earn first-team reps; Preseason plans for the quarterbacks; Where does Jaren Hall fit in the equation; Vikings cornerback options and more on Purple Daily on Draft. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.