Oklahoma Sooners Football: A new system means new roles for Oklahoma linebackers

There are a lot of unknowns for Oklahoma headed into this season. The Sooners have a new head coach, almost an entirely new group of skill position players on offense and a new defensive scheme. And despite the unknowns at linebacker, it could actually end up being an area of strength for Oklahoma. Despite the loss of last years leading tackler Jordan Evans, OU returns several key