The Minnesota Vikings are all-in on J.J. McCarthy, opting to decline signing a veteran quarterback to back up the 22-year-old quarterback entering his first season as a starter. While the Vikings landed Sam Howell in a Day 3 pick-swap with the Seattle Seahawks, Howell doesn’t have an encouraging NFL resume and can be viewed as no more than a spot-starter who could keep the team afloat if McCarthy misses a few games.