Did Minnesota Vikings make a mistake not extending Justin Jefferson?

Did Minnesota Vikings make a mistake not locking up Justin Jefferson; Would the Vikings consider trading Jefferson; Randy Vikes 69 DUD stable; Pigskin Pecking order and Judd guesses the PFF grade and more on Purple Daily. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.