By Ryan AberStaff writer raber@oklahoman.comNORMAN — Oklahoma assistant head coach and outside linebackers coach Ruffin McNeill is stepping away from football to return to North Carolina and help care for his 85-year-old father, McNeill announced Thursday. McNeill’s departure leaves a second vacancy in Lincoln Riley’s staff, after special teams coordinator and running backs coach Jay Boulware accepted a job at Texas last week. “This was one of the hardest decisions I’ve had to make,” McNeill said in a release.Read more on NewsOK.com