Minnesota Vikings training camp notes: Sam Darnold, JJ McCarthy, Aaron Jones and more

Minnesota Vikings training camp notes: Sam Darnold, Justin Jefferson, JJ McCarthy, Aaron Jones, Dalton Risner, the injury to Mekhi Blackmon and more from Judd and Mackey’s observations at day 1 of training camp. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.