Getty Head coach Kevin O’Connell and the Minnesota Vikings signed Matt Harmon and Elijah Williams after rookie minicamp. The Minnesota Vikings have officially maxed out their 90-man roster, signing linebacker Matt Harmon and defensive lineman Elijah Williams following impressive performances during rookie minicamp tryouts over the weekend. As they transition to the NFL, both Harmon and Williams are long shots to make the team’s final 53-man roster, but both should have a fair chance to earn a