ESPN's Adam Schefter reports Vikings WR Justin Jefferson suffered a sprained AC joint in Friday's practice. (Adam Schefter on Twitter)
Fantasy Impact
Ian Rapoport of NFL Network adds it might've been a separated shoulder. Schefter's source noted it was "nothing serious." This is good news, but there will be further testing done this weekend. Minnesota might opt to keep Jefferson sidelined until the Week 1 opener, assuming the injury is still considered minor after the weekend.