OUInsider has confirmed the report (from Pete Nakos, On3) that DeMarco Murray will remain Oklahoma's running backs coach.
https://oklahoma.rivals.com/news/demarco-murray-to-remain-sooners-rb-coach-despite-ohio-state-rumors
https://oklahoma.rivals.com/news/demarco-murray-to-remain-sooners-rb-coach-despite-ohio-state-rumors